PAC Racing Steel C/M Spring Seats - 1.550 x .680 x .520 MT850BK Air Fuel Ratio

Air Fuel Ratio

These high performance lifters are designed for any Small Block Ford applications originally equipped with a Hydraulic Roller cam or those utilizing the COMP Cams Retro-Fit Kit for Small Block Ford engines that don't require a link bar

Crankshaft Hub

Will not clear hood on 403 Olds

1958-64 Chevrolet Full Size models with 6 or 8 cylinder engine without a console

PAC Racing Steel C/M Spring Seats - 1.550 x .680 x .520 MT850BK Air Fuel RatioProduct Description: Valve Spring Locator Inside 0. 060 in Thick 1. 270 in OD 0. 520 in ID 0. 680 in Spring ID Chromoly Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services at