NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder H764009M 1971-1974 Mercury Colony Park

1971-1974 Mercury Colony Park

Features:Must be used with an MSD Ignition ControlPolished steel shaft is QPQ coated and guided by a sealed ball bearing for smooth operation at all rpmsMaintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm rangeCNC machined billet aluminum housing and billet aluminum base providing superior strength and great looksEasy-to-adjust mechanical advance with supplied springs and stop bushings (except locked out versions)Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reductionAdvance weight pins are staked and tig welded to the plateNylon pads ensure smooth operation of the advance weightsMechanical advance assembly can be locked out for crank trigger systems or racing applicationsVacuum advance canister for improved economy (can be locked out)

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NPR American V8 Engine Ring Series Piston Ring Set - 4.035 in Bore - 1.5 x 1.5 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder H764009M 1971-1974 Mercury Colony ParkProduct Description: Piston Rings American V8 Engine Ring Series 4. 035 in Bore 1. 5 x 1. 5 x 3. 0 mm Thick Standard Tension Steel Nitride 8 Cylinder NPR Piston Rings is a world leader in the production of piston rings. A long time supplier for OEM applications, they also produce a line of performance piston rings designed for top tier performance and reliability. With performance piston rings for a wide range of engines, including popular V8's from