Crane Cams Lifters Ultra Pro roller Ch. 396-454 V8 off. R .904 Set of 13575R-2
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Notes: Lifters Ultra Pro roller Ch. 396-454 V8 off. R .904 Set of 2
Crane Ultra-Pro Roller Lifters are the ultimate in state-of-the-art, drop-in design premium quality roller lifters. Empirical design and development techniques have been used to eliminate any distortion effects of residual stresses resulting from the heat-treat process. Ultra-Pro Roller Lifters feature maximized strength; especially in the axle support struts. This ensures geometrically perfect tracking of the roller wheel. Additionally, super-premium wheels, axles and bearings made from the finest grades of alloy steels are used to conquer even the most violent cam lobe profiles. These lifters represent the best combination of lightweight, ultimate strength and reliability. They should be used in all drag race applications with spring seat pressures in excess of 300 lbs. and open pressures over 900 lbs. In addition, they should be used in any short track circle or endurance racing application where valve spring seat pressures exceed 250 lbs. and open pressures exceed 700 lbs.