Diaphragm Housing Cover HO20-28 Product:Suit Holley With 2 x 4BBL Application EFI Rated flow of 1

EFI Rated flow of 1

The increased valve train stiffness provided by the COMP Cams Max-Lift BSR Shaft Rocker Systems makes the same camshaft perform like a slightly larger camshaft as more of the lobe lift is transferred directly to the valve

5-Bolt Exhaust Flange BOOSTED 5428

Thread Chaser Cleaning Taps1/2" UNC Thread (Not Designed To Cut Thread)

535" Main Journal: BB Chev 2

Diaphragm Housing Cover HO20-28 Product:Suit Holley With 2 x 4BBL Application EFI Rated flow of 1Diaphragm Housing CoverSuit Holley With 2 x 4BBL Application HO20 28 20 28 Cover Diaphragm Housing To Balanace Secondary Operations On a 2 x 4 bbl. Application Features: Cover Diaphragm Housing Allows vacuum hookup between carburetors for more even and balanced secondary operation.