Speed-Pro Hypereutectic Pistons - H661CP
Enhance your engine's performance with the Sealed Power 8 PK Set Cast Pistons, designed specifically for classic Chevrolet and GMC models from 1972 to 1983. These hypereutectic aluminum pistons deliver strength and durability, ensuring your engine runs smoothly and efficiently.
- DurOshield® coated piston skirts reduce friction, improving engine efficiency and longevity.
- Flat top design with two valve reliefs promotes better combustion performance for increased power output.
- Precision-engineered with a 4.250 in. bore and 4.000 in. stroke, ensuring a perfect fit for stock applications.
- Includes press-fit wrist pins for easy installation and reliable operation.
- Sold as a complete set of 8, providing everything you need for a full engine rebuild.
These pistons are ideal for stock engine builds, featuring a compression height of 1.625 in. and a piston head volume of +2.00cc for optimal performance. Upgrade your engine with the reliability of Sealed Power.
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
International Orders (Outside USA)
Please be aware your country may charge import fees of up to 20% in some cases. If delivery is refused, return shipping costs us 4x the original shipping fee, so we will charge a 50% restocking fee. By purchasing you agree to these terms.
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