JE 361725R Piston Single Ultra Series FSR (4.125 in. Bore, 1.304 in. CH, -10.80 CC) for GM LS Engine ymm_69 Mini/BMW MTF-2

Mini/BMW MTF-2

Polara 1962-1973

Ferro-Carbon compound for advanced braking performance

This is done to keep the rotor weight at a reasonable level

JE 361725R Piston Single Ultra Series FSR (4.125 in. Bore, 1.304 in. CH, -10.80 CC) for GM LS Engine ymm_69 Mini/BMW MTF-2Description JE 361725R Piston Single Ultra Series FSR (4. 125 in. Bore, 1. 304 in. CH, 10. 80 CC) for GM LS Engine JE Ultra Series forged Pistons are among the industrys strongest and most fully featured off the shelf Pistons. Designed for domestic applications from LS to Big Block and HEMI to Ford Modular, they feature JEs proprietary Aligned Grain Flow forging technology for next level tensile strength under extreme cylinder pressures. Ultra Series