Mahle Motorsport 930173225 Mahle MS Piston Set GM LT1 427ci 4.125in Bore 4in Stk 6.125in Rod .927 Pin -6cc 12.3 CR Set of 8

428cid 4.125 x 1.105CH, 4.000stroke,6.125rod,0.927pin,-6.1cc,455g,12.7CR, 2618

Piston (set) - LT 6.2L FLAT TOP - compatible with GM LT1 / L86 / LT4 heads

Application Summary: Chevrolet LT 428 cu in.

Coatings: Phosphate + Grafal + Hard Anodized top ring groove