JE Pistons Oil Rail Support Ring J4030-183 Product:Suit 4.030" - 4.059" Bore Exclusive 12-point head

Exclusive 12-point head

Vacuum/Boost

Part Number: AF553-12BLK

All crimp fittings and a pre-wired relay block for easeof installation

Pocket Logger

JE Pistons Oil Rail Support Ring J4030-183 Product:Suit 4.030" - 4.059" Bore Exclusive 12-point headOil Rail Support RingSuit 4. 030" 4. 059" Bore Brand: JE Part Number: J4030 183 Description: JE Rail Supports feature a special locking detent to prevent rotation of the oil rail and keep the rail support gap 90 from the pin bore opening on the piston. This JE exclusive feature prevents the rail from rotating in the oil ring groove. Oil rail supports prevent the oil ring rails from spiraling off of pistons with short compression distances.