Speed-Pro Standard Gap Plasma Moly Piston Ring Set - 4.250" Bore (+.030") - Top Ring: 1/16", 2nd Ring: 1/16", Oil Ring: 3/16", Oil Tension Ring: Standard 20-OTL-NB-L ULTRA light Aluminum construction for FIV20002-41551-OR

Speed Pro Standard Gap Plasma Moly Piston Ring Set 4.250" Bore (+.030") Top Ring: 1 16", 2nd Ring: 1 16", Oil Ring: 3 16", Oil Tension Ring: Standard 20 OTL NB L ULTRA light Aluminum construction for FIV20002 41551 OR ULTRA light Aluminum construction for 43% weight savings ULTRA stealthy Hard Core Gray(TM) anodized finish ULTRA strong Billet metering blocks & base plates ULTRA cool Black anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High performance fuel curves The Ultra Double Pumper(TM) Carburetors feature all aluminum construction and are equipped with metering blocks and a base plate made from 6061 T6 billet aluminum Patriot Exhaust H6917 304 Stainless Steel 2" tube diameter including: Reduced widths and radial wall thicknesses in the top and second rings for lower tension and enhanced sealing Plasma moly facing on the top ring for instant seating and long life Cast iron second rings 8 Cylinder