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The Wiseco Professional Series forged piston set for Chevrolet big-block drag builds is made for demanding applications. This set of eight pistons lists a 4.310 in. bore, 1.270 in. compression height and 0.990 in. pin diameter, and ships with premium rings. Forged from 2618 aluminum, the design includes ArmorGlide skirt coating, precision ring grooves and anti-detonation groove, fully machined crowns and forced pin oiling for durability under extreme loads.
Wiseco Chevy BIG BLK DRAG 1.270 (6238A6) Piston Shelf Stock Kit
