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. Specifications: .904" Diameter, 101g Weight, 1.79" Seat Height, 1.06" Oil Band Height, .35" Oil Band Width. 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: AMC V8 290-401, Chrysler Small Block V8 273-360, Chrysler Big Block V8 B Series 383-440 ('58+), Chrysler Big Block V8 HEMI 426

These Performance Series solid lifters for AMC and Chrysler feature a precision-ground crown radius and surface finish, along with an EDM oiling hole, perfect for high-end street and race engines with higher spring pressures.