139477 – JE WISECO Piston, For Use With Big Block Chevy 454 Engines Forged 4.250 Inch Bore 0.030 Inch Oversized 4.00 Inch Stroke/ 6.135 Inch Rod Length 1.645 Inch Compression Distance Flat Top/ -3 CC Volume 8.5:1 Compression Ratio With 112 CC Heads/ 8.2:1 Compression Ratio W

JE WISECO Piston featuring For Use With Big Block Chevy 454 Engines. Part #: JEP139477.

Features

• Forged In The USA Using 4032 Aluminum, Yielding Tensile Strength And Minimal Thermal Expansion
• Dedicated Forging Helps Optimize Strength And Weight Throughout The Piston Design
• Perfect For Street And Strip Applications
• Forced Pin Oiling For Improved Pin Lubrication
• Made In USA
• Limited 30 Day Warranty From Date Of Original Purchase