Seller notes

ELGIN PRO STOCK VALVE SPRINGSThis item is sixteen (16) Elgin Pro Stock Z28-style +.100-in. valve springs, (16) valve spring retainers, and (32) valve locks for some Chevrolet small block V-8 engines. P/N (16) RV-1943X + (16) 55-6100 + EHC-555R. These springs provide .100-in. more installed height over the normal Z28-style valve springs and will fit most GEN I and GEN II Chevrolet small block V-8 engines without machining; except for aluminum and L31 "Vortec" heads.This kit is specifically design...

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