Classic American muscle cars were born for the drag strip, big V8s, tons of torque, and a focus on straight-line speed. A pro-touring restoration keeps that vintage attitude but re-engineers the car to perform like a modern sports machine. Think precision handling, big-brake confidence, and high-speed stability, all wrapped in timeless Detroit sheet metal. Pro-touring is about performance without compromise. Builders aim for a car that can cruise the highway, dominate the autocross, and look killer at a car show — all in one package.
Part #
Product Takes 7 Days to Ship5557PTK-3
1955-57 Chevy Fullsize includes Totally Tubular Upper and Lower Arms, Front Double Adjustable Coil Overs, Rear Double Adjustable Shocks, Front & Rear Sway Bars, 2 or 3" Drop Leaf Springs & Shocks, 4 Wheel 11" Disc Brakes with Master & Valve Combo
The Pro-Touring Kit - Stage 3 for 1955-57 Chevy Fullsize enhances your vehicle’s performance with a comprehensive suspension and braking upgrade. The kit includes Totally Tubular upper and lower control arms, front double adjustable coil overs with a spanner wrench and thrust bearing kit, rear double adjustable shocks, front & rear sway bars, and 2" or 3" drop leaf springs with matching shocks. Additionally, it comes with 4-wheel 11" disc brakes, along with a master cylinder and valve combo for optimal braking performance. This complete package is designed to provide improved handling, ride quality, and stopping power, all while maintaining durability with patented D-Spec heat-resistant bushings.
| Product Name | Protouring Kit - Stage 3, 1955-1957 Chevy Fullsize | SKU | 5557PTK-3 |
| Bolt Pattern | 5x4.75 | Front Caliper Piston Qty | 1 |
| Front Spindle Included | No | Master Cylinder Bore Size | 1.125 |
| Master Cylinder Finish | Chrome | Wheel Offset | 0.4 |
| Rear Caliper Piston Diameter | 2.125 | Rear Caliper Piston Qty | 1 |
| Rear Rotor Diameter | 11 | Notes For This Part | Check Leaf Spring Prices before pricing |
| Front Caliper Piston Diameter | 2.75 | Master Cylinder Included | Yes |
| Spanner Wrench Included | Yes | Thrust Bearing Kit Included | Yes |
| Front Height Adjustment Max | -2.5 | Front Height Adjustment Min | -1 |
| Front Coil Over Included | Yes | Rear Sway Bar | 7/8ths Sway Bar |
| Front Sway Bar | 1 Inch Sway Bar | Tubular Control Arms Included | Yes |
| Front Sway Bar Included | Yes | Rear Sway Bar Included | Yes |
| Front Brake Kit Included | Yes | Default Front Spring | Double Adjustable Coil Over Kit |
| Default Rear Leaf Spring | 2" Multi-Leaf Drop Leaf Spring | Default Front Sway Bar | 1" Sway Bar |
| Front Spring Choices | 350LB (LS With Aluminum Block), 450 LB (Small Block or LS With Iron Block), 550LB (Big Block) | Leaf Spring Choices | 2" Multi-Leaf Drop Spring, 3" Multi-Leaf Drop Spring, Stock Height Multi-Leaf Spring |
| Caliper Color Choices | Powder Coated Black, Powder Coated Red | Default Caliper Color | Powder Coated Red |
| Rear Leaf Springs Included | Yes | Prop65 | Yes |
| Brand | CPP PTK | Front Rotor Diameter | 10.75 |
| Product Type | Suspension Handling Packages |
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Customer Questions
This kit includes:
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Coil Over
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P/N: 5564COK-2A350
- Description: 350 Lb (LS Aluminum Block)
- Quantity: 1
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P/N: 5564COK-2A450
- Description: 450 Lb (Small Block, or LS Iron Block)
- Quantity: 1
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P/N: 5564COK-2A550
- Description: 550 Lb (Big Block)
- Quantity: 1
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Fixed
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P/N: 5557PTSBK
- Description: 1in Pro-Touring Rear Sway Bar Kit 1955-1957 Chevy Belair, Fullsize
- Quantity: 1
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P/N: 5557RLS-D
- Description: Leaf Springs for 1955-57 Chevy Belair, Fullsize, 2in Drop Height
- Quantity: 1
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P/N: 5557RWBK-E-UG
- Description: 11in Rear Disc Brake Wheel Kit w/ E-Brakes 55-57 Chevy Full Size, 5 x 4.75
- Quantity: 1
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P/N: 5557TCA-ULK-B
- Description: Totally Tubular Upper and Lower Control Arms for 1955-1957 Chevy Fullsize with Ball Joints
- Quantity: 1
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P/N: 5564WBK-S0-UG
- Description: Front Disc Brake Kit for OEM Drum Brake Spindles for 55-64 Chevy Full Size Car, Minimum Offset, 11in Rotors, 5 x 4.75
- Quantity: 1
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P/N: B228
- Description: Viking Double Adjustable Shock Stud/Eye-Poly 14.22-23.22
- Quantity: 2
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P/N: CPP594
- Description: 1in CPP Front Sway Bar Kit for 1955-1957 Chevy Belair
- Quantity: 1
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P/N: MCAPVDBU-118C
- Description: Frame Mount Chrome Flat Top Power Master Cylinder Kit
- Quantity: 1
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P/N: CP5557SHK-RP
- Description: Rear Rubber And Poly Leaf Spring Shackle Kit with Adapters for 1955-57 Chevy Fullsize
- Quantity: 1


