JE Pistons 317205 High-Performance Piston Kit Bore Compression - 100mm 13 1

The JE Pistons 317205 is a complete high-performance piston kit featuring a 100mm bore size with +2mm oversize, designed for serious performance applications. This kit increases displacement to 1036cc and delivers a 13.0:1 compression ratio for maximum power output.

Premium Construction and Features:

• Forged from 2618-T6 high tensile aluminum for exceptional strength and durability in extreme applications
• Engineered, forged, and machined 100% in the USA to exacting specifications
• Proprietary FSR (Forged Side Relief) skirt design minimizes friction and reduces weight
• Dome/dish features smooth flowing radii that require no deburring or preparation
• Each piston weighs approximately 346 grams (0.76 lbs)
• Wall thickness of 0.180 inches for optimal strength-to-weight ratio

Complete Kit Includes:

• High-quality wrist pins (Part# 866-2050-18-51C)
• Wire lock circlips (Part# 866-063-MW)
• JE Pro Seal premium piston rings (Part# JG3701-3937)
• All necessary hardware for installation

JE Pistons has been the industry leader in forged racing pistons since 1947, with over 75 years of experience in performance piston design. Trusted by professional racing teams in NASCAR, NHRA, AMA Supercross, and other elite motorsports, JE Pistons are specifically engineered for extreme applications including professional competition, drag racing, and high-performance street builds.