PAC Racing Inside Valve Spring Locator - 0.030 in Thick - 1.500 in OD - 0.570 in ID - 0.715 in Spring ID - Chromoly - Set of 16 10000601 The LONG-TUBE design of these

The LONG-TUBE design of these headers provides ample exhaust flow to let your 326-455 Pontiac engine breathe easy

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Big Block Chevy 348

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PAC Racing Inside Valve Spring Locator - 0.030 in Thick - 1.500 in OD - 0.570 in ID - 0.715 in Spring ID - Chromoly - Set of 16 10000601 The LONG-TUBE design of theseProduct Description: Valve Spring Locator Inside 0. 030 in Thick 1. 500 in OD 0. 570 in ID 0. 715 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