JE Pistons Premium Race Series Piston Rings - 4.125" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Standard Tension SC04101 325 lph at 40 psi

325 lph at 40 psi

no-retorque type head gaskets

or -12 AN Male Flare (-10 AN O-Ring Male on Cooler End)

NOTE - Oil pan #302-5 will clear a 4

1984-1993 Ford Mustang

JE Pistons Premium Race Series Piston Rings - 4.125" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Standard Tension SC04101 325 lph at 40 psiProduct Description: Piston Rings Premium Race Series 4. 125 in Bore File Fit 1. 2 x 1. 5 x 3. 0 mm Thick Standard Tension Steel Nitride 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