138081 – JE WISECO Piston, For Use With Small Block Chevy 355 Engines Forged 4.00 Inch Bore 0.030 Inch Oversized 3.480 Inch Stroke/ 5.700 Inch Rod Length 1.560 Inch Compression Distance Flat Top/ -5 CC Volume 11.1:1 Compression Ratio With 58 CC Heads/ 10.3:1 Compression Rati

JE WISECO Piston featuring For Use With Small Block Chevy 355 Engines. Part #: JEP138081.

Features

• Ideal For Oval Track To Street/Strip Applications
• Forged From 4032 Low Expansion High Silicon Aluminum Alloy Heat Treated To SRP Specifications
• Forced Pin Oiler For Increased Wrist Pin Lubrication
• Wall Wrist Pin, Pin Fitting And Double Spiro Locks Included
• Limited 30 Day Warranty