it features AISI 304 stainless steel Cooper Rings that bite into the aluminum head for maximum sealing

and the unique size and shape of each component

0LMax Speed: 145

All components need to be controlled at the correct moment

84mm Stroke

Driven Racing Oil XP6 15W-50 Synthetic Racing Oil Quantity:12 Quarts it features AISI 304 stainlessProvides excellent bearing oil film thickness for aluminum blocks and looser clearance engines. Utilizes select synthetic base oils for increased durability at high operating temperatures. Recommended for methanol fueled engines. Formulated with proprietary anti wear and friction reducing additives to fight valve train wear and increase horsepower. Compatible with Methanol and high octane race fuels. Viscosity typical of 15W 50.