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JE Pistons LS1 series pistons utilize dedicated Forged Side Relief (FSR) forgings specifically designed for the demands of LS series engines. They are lightweight, extremely durable, and machined for modern 1.5mm, 1.5mm, 3.0mm performance ring sets.
JE Pistons JE, Chevrolet, LS Gen III/IV, 3.898 in. Bore, 1.175 CD, Flat Top, Left Piston 321245L
Specifications:
| Description_ASM | Chevrolet LS1 |
| Description_DEF | Engine Piston |
| Description_DES | Piston Single, 2618, Flat Top, 3.898 Bore, 1.175 CD, 0.927 Pin, Set of 1. |
| Description_EXT | JE, Chevrolet, LS Gen III/IV, 3.898 in. Bore, 1.175 CD, Flat Top, Left Piston |
| Description_INV | JE Pistons, Piston |
| Description_MKT | JE Pistons LS1 series pistons utilize dedicated Forged Side Relief (FSR) forgings specifically designed for the demands of LS series engines. They are lightweight, extremely durable, and machined for modern 1.5mm, 1.5mm, 3.0mm performance ring sets. |
| Description_SHO | Piston |
| Description_TLE | Chevrolet LS1, 3.898 Bore, Flat, Set of 1 |