JE Pistons Premium Race Series Piston Rings - 4.030" Bore File Fit 1.2 x 1.2 x 3.0 mm Thick - Low Tension Cylinder Head 238 lb/in Spring Rate

238 lb/in Spring Rate

86-93 Ford Mustang 5

For Coupes OnlyAuto Meter Gauges are the number one choice of professional racers worldwide

BMR's Rear Cradle Bushings offer huge increases in performance over the stock rubber bushings

JE Pistons Premium Race Series Piston Rings - 4.030" Bore File Fit 1.2 x 1.2 x 3.0 mm Thick - Low Tension Cylinder Head 238 lb/in Spring RateProduct Description: Piston Rings Premium Sportsman Series 4. 030 in Bore File Fit 1. 2 x 1. 2 x 3. 0 mm Thick Low Tension Steel Plasma Moly 8 Cylinder JE Pistons is the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE Pistons has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts alike