Mahle Motorsport 930218400 Mahle MS Piston Set Chevrolet LS1/2/6 5.3L 329ci 3.800in Bore 3.622in Stk 9.6:1 CR -2.1cc Set of 8

329cid 3.800 x 1.299CH, 3.622stroke,6.125rod,0.927pin,-2.1cc,431g,10.0CR, 2618

Piston (set) - LS 5.3L FLAT TOP

Application Summary: Chevrolet LS 329 cu in.

Lateral gas ports, Coatings: Phosphate + Grafal + Hard Anodized top ring groove