Performance Series Solid/Mechanical Flat Tappet Lifters with EDM Injection. Built to extreme precision tolerances to create the most durable Solid lifters available the COMP Cams Performance Series Lifters are a premium lifter designed specifically for high-end street and race applications. Our Performance Series Lifters with EDM Injection Technology have all of the same high-quality features as our Performance Series Solid/Mechanical Lifters with the addition of the .012" EDM oiling hole on the lifter face.Precision-ground crown radius and surface finish promote performance Camshaft compatibility and high RPM durability. Lightweight design and one-piece Pushrod seat provide extended RPM range. Feature a precision-machined and accurately located oil band to yield a consistent and properly metered oil flow. Designed for elevated Race application valve spring pressures. Ideal for high-end street and race engines. Includes full set of (16) lifters. Applications: Cadillac V8 472-500 Chevrolet Small Block V8 265-400 Big Block V8 396-454 Big Block V8 348-409 ('58-'65) Pontiac V8 260-455 Oldsmobile V8 265-455. Specification: .842" Diameter 86g Weight 1.88" Seat Height 1.10" Oil Band Height .41" Oil Band Width.
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