JE Pistons 247629S FSR Forged Piston Bore Compression - 75mm 13.5 1

The JE Pistons 247629S is a high-performance FSR (Forged Side Relief) piston designed for extreme powersports applications. This piston features a 75.00mm bore, 13.5:1 compression ratio, and 1.60mm oversize sizing, making it ideal for race engines and high-demand street builds.

Key Features:

• Machined from 2618-T6 high tensile forged aluminum for maximum strength and durability
• FSR (Forged Side Relief) skirt design provides unmatched strength while shedding unnecessary weight
• Dome features smooth flowing radii; requires no deburring or preparation
• Specifically engineered for extreme applications including professional racing
• Includes pins, pin fitment, locks and rings
• Made in the U.S.A.
• Lightweight at only 167 grams

JE Pistons has been the industry leader in forged racing pistons for over 75 years, with proven performance in professional motorcycle racing from Daytona to Bonneville. The FSR forging technology represents the latest advancement in piston design, offering superior strength-to-weight ratio for demanding powersports applications. Whether you're building a high-compression race engine or upgrading your street bike for maximum performance, the 247629S delivers the reliability and precision that professional engine builders trust.