JE Pistons Premium Race Series Piston Rings American Racing The Manley 42374-16 Manley Valve

The Manley 42374-16 Manley Valve Spring Cups and Locators provide the required spring pressure for aggressive cam profiles without coil bind or surge at high RPM

and accessory activation points without rewiring or adding external boxes

Direct-fit replacement requiring standard hand tools and a bushing press

5L four-cylinder or 4

JE Pistons Premium Race Series Piston Rings American Racing The Manley 42374-16 Manley ValveThe JE Pistons Premium Race Series Piston Rings are premium piston rings engineered for maximum cylinder seal and minimal friction in high performance engines. Piston rings are responsible for sealing combustion pressure, controlling oil consumption, and transferring heat from the piston to the cylinder wall. Ring selection directly affects power output, blow by, and engine longevity. These ring sets feature a high quality top ring with appropriate