JE Pistons Piston Rings - 4.060" Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Plasma Moly - 8 Cylinder 2010025 Duration 274 / 278

Duration 274 / 278

Pre-assembled with new polyurethane bumpstops

4 AN Female Swivel to 4 AN Female Swivel

4-inch wheelbases

JE Pistons Piston Rings - 4.060" Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Plasma Moly - 8 Cylinder 2010025 Duration 274 / 278Product Description: Piston Rings Premium Race Series 4. 060 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