NPR American V8 Engine Ring Series Piston Ring Set - 4.055 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 12-270 Calculate the difference and check

Calculate the difference and check the manufacturer's specification

Hole saws up to 1" diameter use 1/2"-20 thread

This steel block off plate will allow you to cleanly cover the radio mounting hole in an existing RM60 and RM Radio Mount for a streamlined look

the 6EFI Ignition Control

(available separately)

NPR American V8 Engine Ring Series Piston Ring Set - 4.055 in Bore - 1.2 x 1.2 x 3.0 mm Thick - Standard Tension - Nitride - 8-Cylinder 12-270 Calculate the difference and checkProduct Description: Piston Rings American V8 Engine Ring Series 4. 055 in Bore 1. 2 x 1. 2 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