Holley offers vacuum secondary carburetor accessories that can be used as replacements or for use in upgrading your present carburetor
The finished product provides high heat resistance
and fully machined valve cover rails for a more consistent gasket seal
Computer-controlled
ARP Bellhousing Bolt Kit Black Oxide,7/16-14 in, Ford, 289, 302, 351W # 154-0902 Rate_12 Holley offers vacuum secondary carburetorARP Bellhousing Bolt Kit Black Oxide,7 16 14 in, Ford, 289, 302, 351W # 154 0902 "Bellhousing Bolts, 12 point, 7 16 14 in. Thread, Steel, Black Oxide, Ford, 289, 302, 351W, Kit Fastener Head Style: Flanged 12 point Underhead Length (in.): 1. 500 in. Thread Size: 7 16 in. 14 Fastener Material: Steel Fastener Color: Black oxide Quantity: Sold as a kit. Notes: Fits models with automatic transmission.