This Wiseco Professional Series piston is forged from 2618 aluminum for Chevy Small Block 360 engines, including sprint car builds. It has a 4.060 in. bore and a 1.250 in. compression height with a +13cc dome. Professional Series pistons are aimed at heavy to severe duty race builds.

Wiseco 60138LX6 Piston Features:

• Made for Chevy Small Block 360 engines
• 4.060 in. bore diameter with a 1.250 in. compression height
• +13cc dome volume
• Forged from 2618 aluminum alloy with a full round forging design
• ArmorGlide skirt coating for reduced friction, scuff resistance and quieter operation
• 0.927 in. 5115 Steel floating wrist pin included
• Piston rings included: 0.047 in. top, 0.047 in. second and 3.0 mm oil ring
• Fully machined crown with precision ring grooves and an anti-detonation groove
• Forced pin oiling feeds the wrist pin bore
• Sold individually