Mahle Performance Series Piston Ring Set - 4.250 in Bore - 1.0 x 1.0 x 2.0 mm Thick - Standard Tension - Iron - Plasma Moly - 8-Cylinder 2653-1-B 500 RPM with true spark

500 RPM with true spark alignment for instantaneous response

Old Ford Blue

2 bolt and 3 bolt applications available

In combination

Aircraft-grade

Mahle Performance Series Piston Ring Set - 4.250 in Bore - 1.0 x 1.0 x 2.0 mm Thick - Standard Tension - Iron - Plasma Moly - 8-Cylinder 2653-1-B 500 RPM with true sparkProduct Description: Piston Rings Performance Series 4. 250 in Bore File Fit 1. 0 x 1. 0 x 2. 0 mm Thick Standard Tension Iron Plasma Moly 8 Cylinder For over 80 years, MAHLE has numbered among the leading international manufacturers of high quality components for the automotive engine industry. From powering the Champions in the world's premier racing series to delivering winning performance at local dirt tracks around the country, MAHLE means