We make Shipping affordable -
without handling fees!

Our experienced shipping department will package your order for secure delivery. We will contact you if your order requires additional attention.

We're here to help – please contact us with any questions.

Do you need faster delivery?

For guaranteed Next Day, 2-Day or 3-Day delivery, please call our friendly sales team Monday through Friday from 9-5 ET at 800-530-9494.

Know your shipping costs with our FREE and Flat Rate delivery options.

FREE or Flat Rate offers are available for single shipments to retail customers within the contiguous 48 United States.

Only $10.99 for shipping on eligible orders with a subtotal from $0 to $49.99.

Only $13.99 for shipping on eligible orders with a subtotal from $50 to $174.99.

Most items can earn FREE shipping on eligible orders with a subtotal of $175 or more. Chromoly tubing over 48 inches is excluded.

Carrier and service type will be chosen by Chassis Shop on any order shipped by FREE or Flat Rate delivery. Please provide your U.S. Postal-specific address if it's different than your UPS address.

Factors that determine your shipping cost:

   Delivery rates, if any, are determined by the size and weight of your
   package, service type and destination. You may select your delivery
   method of your choice during checkout.

Arrange your own shipping:

When arranging your own carrier for delivery, leave a message in the shopping cart Order Notes field and choose "Pick Up" as your Shipping Method during checkout. We will contact you to complete the process.

Delivery within the United States:

Our package delivery carriers within the United States are UPS and
Post Office Mail.

Some service options may not be available to all areas.

Heavy and oversized shipments may be delivered as Truck Freight.
We will notify you if your order must be shipped by truck.

Truck delivery is 2-14 business days in continental United States.

We ship orders to APO, FPO and DPO addresses using the Post Office.

Estimated UPS Ground Days-in-Transit Map
for the United States from Muskegon Heights, Michigan 49444

Estimated Priority Mail (Post Office) Days-in-Transit Map
for the United States from Muskegon Heights, Michigan 49444

Delivery to U.S. Territories:

Our package delivery carriers for U.S. Territories are UPS and Post Office Mail.

Some service options may not be available to all areas

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination territory and collected by the carrier prior to delivery.

Delivery to Canada & Mexico:
Our package delivery carrier for Canada and Mexico is UPS including UPS Standard ground service.

Some service options may not be available to all areas.

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail, or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination country and collected by the carrier prior to delivery.

Delivery to all other countries:

Our package delivery carrier for international orders is UPS.

Some service options may not be available to all areas.

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination territory and collected by the carrier prior to delivery.

Questions that may come up after you receive your order:

Was something damaged or lost?

Inspect all shipments immediately upon delivery and have driver record any damage or loss. All damage or loss claims should be made directly to the carrier. Save all packaging for carrier inspection and notify us of your damage or loss claim within two business days.

Did you receive more or less than ordered?

Please report any incorrect, missing or extra items to us within two business days of receipt of the order.

Do you need to make an exchange?

To expedite the exchange process we simply ask that you place a new order for the correct item(s) before returning your original item(s). Please contact us to initiate your exchange.

Do you need to schedule return?

Products in original, saleable condition may be returned for a refund of purchase price minus shipping costs within thirty (30) days of purchase. A return goods authorization (RGA) is required and all eligible products are subject to a 20% restocking fee unless an offsetting order is placed. The original invoice must accompany all returns. Special order and custom built products are not eligible for return.

Any product not returned in original condition will not be eligible for a refund or exchange.

How do I view order tracking and history?

Order tracking and history are archived to the email address used to generate the order.

If you already have an Account:

Simply log into your account to review order history.

If you ordered using Express Checkout:

Please create an account with the email address used for your orders then log in to review order history.
Free Shipping Over $175
We make Shipping affordable -
without handling fees!

Our experienced shipping department will package your order for secure delivery. We will contact you if your order requires additional attention.

We're here to help – please contact us with any questions.

Do you need faster delivery?

For guaranteed Next Day, 2-Day or 3-Day delivery, please call our friendly sales team Monday through Friday from 9-5 ET at 800-530-9494.

Know your shipping costs with our FREE and Flat Rate delivery options.

FREE or Flat Rate offers are available for single shipments to retail customers within the contiguous 48 United States.

Only $10.99 for shipping on eligible orders with a subtotal from $0 to $49.99.

Only $13.99 for shipping on eligible orders with a subtotal from $50 to $174.99.

Most items can earn FREE shipping on eligible orders with a subtotal of $175 or more. Chromoly tubing over 48 inches is excluded.

Carrier and service type will be chosen by Chassis Shop on any order shipped by FREE or Flat Rate delivery. Please provide your U.S. Postal-specific address if it's different than your UPS address.

Factors that determine your shipping cost:

   Delivery rates, if any, are determined by the size and weight of your
   package, service type and destination. You may select your delivery
   method of your choice during checkout.

Arrange your own shipping:

When arranging your own carrier for delivery, leave a message in the shopping cart Order Notes field and choose "Pick Up" as your Shipping Method during checkout. We will contact you to complete the process.

Delivery within the United States:

Our package delivery carriers within the United States are UPS and
Post Office Mail.

Some service options may not be available to all areas.

Heavy and oversized shipments may be delivered as Truck Freight.
We will notify you if your order must be shipped by truck.

Truck delivery is 2-14 business days in continental United States.

We ship orders to APO, FPO and DPO addresses using the Post Office.

Estimated UPS Ground Days-in-Transit Map
for the United States from Muskegon Heights, Michigan 49444

Estimated Priority Mail (Post Office) Days-in-Transit Map
for the United States from Muskegon Heights, Michigan 49444

Delivery to U.S. Territories:

Our package delivery carriers for U.S. Territories are UPS and Post Office Mail.

Some service options may not be available to all areas

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination territory and collected by the carrier prior to delivery.

Delivery to Canada & Mexico:
Our package delivery carrier for Canada and Mexico is UPS including UPS Standard ground service.

Some service options may not be available to all areas.

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail, or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination country and collected by the carrier prior to delivery.

Delivery to all other countries:

Our package delivery carrier for international orders is UPS.

Some service options may not be available to all areas.

If shipping to a United States address for pickup or freight forwarding, UPS, Post Office Mail or Truck Freight may be used.

Based your order contents and location, you may be responsible for additional duties, taxes or customs fees that are not represented in the Invoice total. These potential charges are imposed by the destination territory and collected by the carrier prior to delivery.

Questions that may come up after you receive your order:

Was something damaged or lost?

Inspect all shipments immediately upon delivery and have driver record any damage or loss. All damage or loss claims should be made directly to the carrier. Save all packaging for carrier inspection and notify us of your damage or loss claim within two business days.

Did you receive more or less than ordered?

Please report any incorrect, missing or extra items to us within two business days of receipt of the order.

Do you need to make an exchange?

To expedite the exchange process we simply ask that you place a new order for the correct item(s) before returning your original item(s). Please contact us to initiate your exchange.

Do you need to schedule return?

Products in original, saleable condition may be returned for a refund of purchase price minus shipping costs within thirty (30) days of purchase. A return goods authorization (RGA) is required and all eligible products are subject to a 20% restocking fee unless an offsetting order is placed. The original invoice must accompany all returns. Special order and custom built products are not eligible for return.

Any product not returned in original condition will not be eligible for a refund or exchange.

How do I view order tracking and history?

Order tracking and history are archived to the email address used to generate the order.

If you already have an Account:

Simply log into your account to review order history.

If you ordered using Express Checkout:

Please create an account with the email address used for your orders then log in to review order history.
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Stiletto Steering Rack-n-Pinions, Steering Couplers, Steering U-Joints, and Accessories

The 'Swiss Watch' of Rack-n-Pinions - trusted by Champions in all types of racing since 1973. Find the perfect combination for your application.

Stiletto Drag Race Rack and Pinion Steering Systems

Stiletto Steering Systems are engineered for drivers who demand precision. Purpose-built rack and pinion steering units for drag racing, oval track, dirt, and road course applications — delivering smooth, responsive steering with the durability to handle the rigors of competitive racing. Trusted by racing champions at every level of motorsports since 1973.

As the manufacturer of Stiletto Steering — the "Swiss Watch" race car rack and pinion — The Chassis Shop brings you factory-direct service, expert support, and the full lineup of components to complete your steering system.

Gen5 Small Box Dragster Rack & Pinion — 4 Ratio Options

The 5th Generation Gen5 Small Box features 2024-T4 billet aluminum housing, sub-harmonic stress relief, anodized components, durable nylon interwoven neoprene boots, heat-treated chromoly rack exceeding AGMA specs, black oxide conversion coating, precision grease-sealed ball bearings, and silicon-bronze bushings with Stiletto Lube. Rear or front steer flexibility. Standardized pinion gear location allows ratio changeover. Rack travel per steering wheel rotation: 10:1 = 3.141", 12:1 = 2.618", 15:1 = 2.094", 20:1 = 1.570".

10:1 Gen5 Small Box — Available in 9", 11-1/4", or 12-3/4" Width — 5/8-36 Spline Pinion — 10:1 Ratio Stiletto Gen5 Small Box Dragster Rack and Pinion — quick ratio for rapid response
12:1 Gen5 Small Box — Available in 8-1/2", 9", 11-1/4", or 12-3/4" Width — 5/8-36 Spline Pinion — 12:1 Ratio Stiletto Gen5 Small Box Dragster Rack and Pinion — moderate ratio for balanced steering
15:1 Gen5 Small Box — Available in 11-1/4" or 12-3/4" Width — 5/8-36 Spline Pinion — 15:1 Ratio Stiletto Gen5 Small Box Dragster Rack and Pinion — slower ratio for high-speed stability
20:1 Gen5 Small Box — Available in 11-1/4" or 12-3/4" Width — 9/16-26 Spline Pinion — 20:1 Ratio Stiletto Gen5 Small Box Dragster Rack and Pinion — slowest ratio for minimal-effort steering

6.4:1 Fast Ratio Rack & Pinion — It's Fast

The fastest steering response in the Stiletto lineup. The Magnum Housing design is 35% stronger than its previous design, CNC machined out of Ultra tough 2024-T4 billet aluminum, heat-treated alloy rack, FEA engineered. 11-1/4" width, 4.625" total rack travel, 1.00 turn lock to lock. 5/8-36 spline pinion. Vertical and horizontal tie rod attachment options, rear or front steer flexibility.

6.4:1 Fast Ratio Rack — 11-1/4" Width, 5/8-36 Spline Pinion — Stiletto 6.4:1 Fast Ratio Rack N Pinion — Micro/Mini Sprints, Off-Road, Formula FSAE, Mini-Modified Pulling Tractors

Gen2 Pro-Box Rack & Pinion — 20:1 Ratio, Full-Bodied Vehicles

Designed for drag racing's full-bodied door car vehicle categories — popular in Pro-Mod and Pro-Stock categories. 2024-T4 aircraft billet aluminum, heat-treated chromoly rack, ball bearing mounted pinion. 5" total rack travel, 3-1/4 turns lock to lock, super lightweight — weighs only 5.25 lbs. complete.

20:1 Gen2 Pro-Box — Left Hand Drive, 9/16-26 Spline Pinion — 20:1 Ratio Stiletto Gen2 Pro-Box Rack N Pinion, LH Drive
20:1 Gen2 Pro-Box — Right Hand Drive, 9/16-26 Spline Pinion — 20:1 Ratio Stiletto Gen2 Pro-Box Rack N Pinion, RH Drive

Dwarf / Mod-Lite Rack & Pinion — 10:1 Ratio, 15-1/2" Width

Compact and heavy-duty, machined from aircraft billet aluminum with chromoly rack and aluminum clevises for tie rod attachment. Smooth action with near-zero backlash. Front steer application. 5/8-36 splined pinion, 1/2" clevis holes.

10:1 Dwarf/Mod-Lite — Left Hand Drive, 15-1/2" Width, 5/8-36 Spline Pinion — 10:1 Ratio Stiletto Dwarf Mod-Lite Rack N Pinion, LH Drive
10:1 Dwarf/Mod-Lite — Right Hand Drive, 15-1/2" Width, 5/8-36 Spline Pinion — 10:1 Ratio Stiletto Dwarf Mod-Lite Rack N Pinion, RH Drive

Roller Bearing Steering U-Joints — Zero Backlash, 32° Max Angle

Precision machined alloy steel bodies with caged needle bearings and slight pre-load for zero backlash. Pre-greased and sealed with hi-temp O-rings. Capable of 32° operating angle — recommended not to exceed 20°. Note: Stiletto 5/8-36 spline has a unique pressure angle and will not fit other OEM 5/8-36 splined components.

5/8-36 Spline × 3/4" Bored — Fits 6.4:1, 10:1, 12:1, 15:1 Stiletto Rack — Pro-Werks 5/8-36 Spline × 3/4" Bored Roller Bearing Steering U-Joint
9/16-26 Spline × 3/4" Bored — Fits Stiletto 20:1 Pro-Box, Gen 5 Small Box (C42-348 series), Pinto OEM Rack — Pro-Werks 9/16-26 Spline × 3/4" Bored Roller Bearing Steering U-Joint
Smooth Bore Both Ends — 5/8" or 3/4" ID — Pro-Werks Smooth Bore Roller Bearing Steering U-Joint

Weld-On Splined Couplers — For Stiletto Rack & Pinion

Splines precision broached to correct Stiletto profile and size. Stiletto's proprietary spline will not fit other manufacturers' couplers.

5/8-36 Female Spline — Fits 6.4:1, 10:1, 12:1, 15:1 Stiletto Rack — Straight, Dual-Lock & Split-Bolt Styles, 4130N or Mild Steel, 5/8" or 3/4" Bore — 5/8-36 Female Spline Weld-On Coupler
9/16-26 Female Spline — Fits 20:1 Pro-Box, Gen 5 Small Box, Pinto OEM Rack — Dual-Lock or Split-Bolt, 4130N or Mild Steel, 3/4" Bore — 9/16-26 Female Spline Weld-On Coupler

Tie Rod Tube Kit

Chromoly Tie Rod Tube Kit — 3/4" Kit (2 × 18" Tubes + CM-6 Rod Ends) or 7/8" Kit (2 × 20" Tubes + CM-7 Rod Ends) — Pro-Werks Chromoly Tie Rod Tube Kit, 4130N — for use with rack-and-pinion outfitted with rod ends, final fitting and welding required

Stiletto Chromoly Ultra Spindle Set

CNC machined and precision honed from heat-treated American produced 4130 chromoly forging. Each spindle individually hardness tested and 100% non-destructive Magnaflux inspected. 8620 king pins rifle drilled, hardened, precision centerless ground. PTFE impregnated bushings and thrust washers. ARP 12-point fasteners standard. Spindle diameter same as Early English Ford Anglia. King pin angle 8°. Accepts 0.984" ID inner bearing and 0.625" ID outer bearing.

Stiletto Chromoly Ultra Spindle Set — (2) Spindles, (2) 5" × 1/4" Arms, (2) Top Caps, (2) Bosses, (2) King Pins, (2) Thrust Washers, (2) Spindle Nuts, (2) Cotter Pins, (16) ARP Bolts — Stiletto Chromoly Ultra Spindle Set
Stiletto 4130N Chromoly Steering Arm — 1/4" Thick, Black Oxide, Engraved Length ID — Stiletto Spindle 4130N Chromoly Steering Arm
Billet Aluminum Tow Caps — Pair — C42-477 (Stiletto, 1/4" Holes, .890" × .890"), C42-488 (Mark Williams, 5/16" Holes, 1.032" × 1.032"), C42-489 (P&S, 1/4" Holes, .875" × .875") — Pro-Werks Billet Aluminum Tow Caps, Pair

Service & Maintenance Parts

Stiletto Replacement Boot & Wire Kit — 6 Sizes: Small Box 8-1/2"/9" (8 peaks), Small Box/Fast Ratio 11-1/2" (11 peaks), Small Box 12-3/4" (14 peaks), Small Box 14-1/4" (15 peaks), Pro-Box (11 peaks), Dwarf/Mod-Lite (9 peaks) — Stiletto Replacement Boot and Wire Kit — includes 2 boots and 4 wires
Stiletto Service Lube — Specially Formulated Assembly Lube & Boot Wires, Fits All Stiletto Rack-N-Pinions — Stiletto Service Lube For Rack N Pinions

Complete Your Steering System

Steering Components — butterfly wheels, quick release hubs, U-joints, spindles, and front end components
Rod Ends — FK Bearing and Aurora heim joints for steering linkage connections
Cables & Cable Hardware — throttle and fuel shutoff cables for complete cockpit control

Proudly Made in the USA.

Dare to Compare

The Stiletto Gen5 Small Box rack-n-pinion is engineered for superior performance and longevity.

Learn more

Stiletto Steering Systems

Over fifty years ago a legend was born. Stiletto Steering Systems is the industry standard for race car steering. Stiletto rack-n-pinion steering boxes are the gold standard benchmark of driving control.

The wide selection of purpose-built Stiletto steering boxes are known for their smooth "Swiss Watch" movement, ease of use and unparalleled durability.

We’re not going to tell you how it works or all the finite steps required to produce a product of this caliber—just know that Stiletto Steering Systems continue to win more races than any other and bring drivers home for the next pass.

So, if you are looking for the smoothest operating, safest, most proven steering rack and components you are in the right place. Expect nothing less than near perfection from the team at Pro-Werks.

Built with out compromise in the USA.

How to Determine Steering Ratio

The overall ratio of a steering system is determined by the degree of the movement of the front wheels in relation to one turn of the pinion or steering wheel. Example: One turn of the steering wheel (360º) divided by 30º tire movement would have an overall ratio of 12 to 1 (360/30).

This overall ratio is determined with the distance of the rack travel created by one turn of the pinion and the length of the spindle arm that the tie rod connects to. A shorter steering arm will result in faster steering and the overall ratio smaller numerically. A longer arm will result in slower steering and the overall ratio larger numerically.

For reference purposes, the ratios that we list are calculated using a spindle arm length of 5 inches. This is the distance measured from the center of the spindle king pin axis to the center of the mounting hole for the tie rod.

Rack Travel

6.4 : 1  has 4.625” of rack travel in 1 rotation of steering wheel
10 : 1  has 3.141” of rack travel in 1 rotation of steering wheel
12 : 1  has 2.618” of rack travel in 1 rotation of steering wheel
15 : 1  has 2.094” of rack travel in 1 rotation of steering wheel
20 : 1 has 1.570” of rack travel in 1 rotation of steering wheel

Trusted By Champions

★★★★★

"We've updated all our teams Top Fuel chassis with the latest Gen 5 Stiletto Small Box Rack-n-Pinion. Our drivers appreciate how smooth and easy the cars react. Stiletto is the best in the business."

Brian Husen, Crew Chief
Kalitta Motorsports

Stiletto Steering Rack-n-Pinions, Steering Couplers, Steering U-Joints, and Accessories

The 'Swiss Watch' of Rack-n-Pinions - trusted by Champions in all types of racing since 1973. Find the perfect combination for your application.

6.4:1 Ratio, Stiletto Fast Ratio Rack N Pinion, 11-1/4 Inch Width

10:1 Ratio, Stiletto Gen5 Small Box Dragster Rack and Pinion

12:1 Ratio, Stiletto Gen5 Small Box Dragster Rack and Pinion

15:1 Ratio, Stiletto Gen5 Small Box Dragster Rack and Pinion

20:1 Ratio, Stiletto Gen5 Small Box Dragster Rack and Pinion

20:1 Ratio, Stiletto Gen2 Pro-Box Rack N Pinion, LH Drive

20:1 Ratio, Stiletto Gen2 Pro-Box Rack N Pinion, RH Drive

10:1 Ratio, Stiletto Dwarf Mod-Lite Rack N Pinion, LH Drive, 15-1/2 Inch Width

10:1 Ratio, Stiletto Dwarf Mod-Lite Rack N Pinion, RH Drive, 15-1/2 Inch Width

Pro-werks 5/8-36 Spline X 3/4 Inch Bored Roller Bearing Steering U-Joint

5/8-36 Female Spline, Weld On Coupler, fits 6.4:1, 10:1, 12:1, 15:1 Stiletto Rack-n-Pinion

Pro-werks 9/16-26 Spline X 3/4 Inch Bored Roller Bearing Steering U-Joint

9/16-26 Female Spline, Weld On Coupler, fits 20:1 Stiletto Rack-n-Pinion

Pro-werks Smooth Bored Both Ends, Roller Bearing Steering U-Joint

Pro-werks Chromoly Tie Rod Tube Kit, 4130N

Stiletto Replacement Boot and Wire Kit

Stiletto Service Lube For Rack N Pinions

Stiletto Chromoly Ultra Spindle Set

Pro-werks Billet Aluminum Tow Caps, Pair

Stiletto Spindle 4130N Chromoly Steering Arm

Stiletto Spindle Rebuild Kit

Stiletto Spindle King Pin Bushing, 0.782 Inch Outside Diameter, 0.687 Inch Inside Diameter

Stiletto Spindle Thrust Washer

Stiletto Spindle King Pin, 3.00 Inch Long, 0.687 Inch Outside Diameter

Stiletto Spindle Nut

Stiletto Steering Rack-n-Pinions, Steering Couplers, Steering U-Joints, and Accessories

Stiletto Drag Race Rack and Pinion Steering Systems

Gen5 Small Box Dragster Rack & Pinion — 4 Ratio Options

6.4:1 Fast Ratio Rack & Pinion — It's Fast

Gen2 Pro-Box Rack & Pinion — 20:1 Ratio, Full-Bodied Vehicles

Dwarf / Mod-Lite Rack & Pinion — 10:1 Ratio, 15-1/2" Width

Roller Bearing Steering U-Joints — Zero Backlash, 32° Max Angle

Weld-On Splined Couplers — For Stiletto Rack & Pinion

Tie Rod Tube Kit

Stiletto Chromoly Ultra Spindle Set

Service & Maintenance Parts

Complete Your Steering System

Dare to Compare

Stiletto Steering Systems

How to Determine Steering Ratio

Rack Travel

Trusted By Champions

★★★★★

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