SKU: 212135 | UPC: 193564244185
JE Pistons Chevrolet Big Block 4.280in Bore 1.645in CH 23.00 CC Piston Kit 1965-1996
JE Pistons SRP piston kit for forged performance in Chevrolet Big Block Mark IV and Gen V engines machined to 4.280in bore fits 396 402 427 454 displacing up to 482ci. Forged from 4032 aluminum alloy these pistons handle mild to moderate builds delivering reliable power on a budget for street or racing use. Kit includes 8 pistons premium rings pins and spiro locks all made in the USA.
Key Features
- Forged 4032 Aluminum: Delivers durability and lightweight design for high rpm operation in racing or street engines
- 4.280in Bore 1.645in CH: Matches standard big block stroke up to 4.00in for 482ci in 454 blocks with precise fit
- +23cc Dome Volume: Increases compression ratio for better torque and horsepower in performance setups
- 0.927in x 2.250in Wrist Pin: Full floating design with wire locks for secure operation under load
- 582g Piston Weight: Balanced for smooth rotation reduces vibration in 8-cylinder big block assemblies
Product Notes
- Kit includes 8 pistons premium rings pins and spiro locks ready for assembly
- File fit rings to exact cylinder bore gaps during installation
- Ships in protective foam-lined box for damage-free delivery
Installation Notes
- Professional installation recommended.
- Hone cylinders to 4.280in with 45-degree angle for proper ring seal
- Compatible with Mark IV Gen V blocks verify rod length 6.135in
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1965-1996 | Chevrolet | C/K Pickup | 396-454 V8 |
| 1967-1981 | Chevrolet | Camaro | 396-454 V8 |
| 1965-1982 | Chevrolet | Corvette | 396-454 V8 |
| 1964-1972 | Chevrolet | Chevelle | 396-454 V8 |
| 1964-1987 | Chevrolet | El Camino | 396-454 V8 |
| 1965-1990 | Chevrolet | Impala | 396-454 V8 |
| 1970-1988 | Chevrolet | Monte Carlo | 454 V8 |
Why Choose JE Pistons?
- Decades of racing heritage in every piston design
- 4032 alloy construction handles heat and stress in competition
- Precision CNC machining ensures consistent tolerances
Frequently Asked Questions
- Q: Which Chevrolet Big Block engines fit this piston kit
A: Designed for Mark IV and Gen V 396 402 427 454 blocks machined to 4.280in bore with 6.135in rods and strokes up to 4.00in - Q: What material and ring sizes are used
A: Forged 4032 aluminum alloy with grooves for 1/16in x 1/16in x 3/16in rings included in kit - Q: What warranty covers these pistons
A: JE Pistons offers warranty against manufacturing defects when installed and used per guidelines contact for details
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure manufacturer box 12in x 12in x 6in
- Weight: 10.40 lbs
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