and Performance Parts and Accessories
KWP631 - 1967-69 Z28 302 High Performance +.030 Bore Piston Set
Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads).
Cast with 16-18% silicon alloy, and T-6 hardened for performancea pplications, new tooling was specifically made for these pistons featuring an exclusive computer-designed understructure allowing dome machining (0.143") to safely reduce the compression ratio to 10:1 while maintaining balance.
Warranted for 2 full years in street cars.
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