JE PISTONS Piston Kit — Bore 3.937", Compression 10.75:1, Displacement 107 cu in – 11-16 Dyna, 09-16 Trike, 10-11 Touring, 12-17 Softail

Precision-forged piston kit engineered for extreme and professional competition applications 🔧🇺🇸

Machined from 2618-T6 high-tensile forged aluminum, each piston features smooth-flowing radii that require no deburring or preparation.

Two-cylinder kit includes all necessary installation hardware.

• 2x pistons
• 2x ring sets
• 2x wrist pins
• 4x circlips

Piston average weight: 355 grams. Piston volume: 5.00 cc. Does not fit liquid-cooled heads.

Designed and made in the U.S.A. for extreme applications where precision and durability are critical.