CP Pistons
CP Pistons BLSR1204-STD Bullet Race Series Forged Piston Set for Chevrolet LS7 4.125in Bore Set of 8
CP Pistons BLSR1204-STD Bullet Race Series Forged Piston Set for Chevrolet LS7 4.125in Bore Set of 8
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A CP-Carrillo Bullet Series forged piston set for the engine listed under Fitment. Bullet Series pistons are machined from 2618 aluminum alloy using an FEA-designed forging with forged side reliefs, balanced to within plus or minus 1 gram, and supplied with chromoly wrist pins and wire locks. They have dual forced pin oilers, contact reduction grooves and accumulator grooves, and the series is designed for severe-duty nitrous, supercharged and turbocharged engines.
Key Features
- Bore: 4.125in
- Quantity: set of 8 pistons
- Stroke: 4.000 in
- Rod length: 6.125 in
This product is not approved for sale or use in the State of California, or in other states that require a CARB Executive Order (E.O.) number. It is intended for use in states that do not require CARB certification.
Fitment
- Listed for Chevrolet LS7
Confirm your engine, bore size and the part number before ordering.
CP-Carrillo guarantees the quality of the steel and aluminum, the forging, the heat treatment and the dimensional sizes of its parts. Because CP-Carrillo has no control over engine assembly or modification, no further warranty is expressed or implied, including any warranty of merchantability or fitness for a particular purpose. Custom-built parts are not returnable.
Specifications
- Brand: CP Pistons
- Manufacturer Part Number: BLSR1204-STD
- Type: Piston Set
- Bore: 4.125in
- Manufacturer Warranty: Materials, forging, heat treatment and dimensions
- Condition: New
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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Manufacturer's Warranty โ CP Pistons
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Manufacturer's Warranty โ CP Pistons
CP-Carrillo guarantees the quality of the steel and aluminum, the forging, the heat treatment and the dimensional sizes of its parts. Because CP-Carrillo has no control over engine assembly or modification, no further warranty is expressed or implied, including any warranty of merchantability or fitness for a particular purpose. Custom-built parts are not returnable.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by CP Pistons. Contact us if you need help with a warranty claim.

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