Holley Replacement Billet Fill cap Helmet Accessories Deals External Regulator Required: No

External Regulator Required: No

Unit requires a 5" O

GPS module is fully sealed against water and dust

to affordably convert to a standard carburetor

Holley Replacement Billet Fill cap Helmet Accessories Deals External Regulator Required: NoReplacement billet aluminum oil fill cap for Holley LS valve covers part #s HLY241 88,HLY241 89, HLY241 90 and HLY241 91. Features: Qty of 1 Includes O ring Vehicle Applications: 2009 2012 Cadillac CTS 1998 2012 Chevrolet Camaro 1997 2012 Chevrolet Corvette Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro Stock champion for four decades.