Holley Accelerator Pump Cam Assortment Kit RG20004 This design incorporates the strength

This design incorporates the strength of a copper-lead alloy layer on a precision steel back and finally

Super Lock

Deck thickness: 5/8"

ULTRA light Aluminum construction for 43% weight savings ULTRA shiny Tumble polished finish holds shine longer ULTRA strong Billet metering blocks & base plates ULTRA cool Blue anodized billet aluminum metering blocks and base plate ULTRA easy Built in sight window for simple float adjustments ULTRA fast High-performance fuel curves Holley Double Pumper® carburetors are a perfect performance upgrade for hot street cars and race vehicles

Holley Accelerator Pump Cam Assortment Kit RG20004 This design incorporates the strengthAnother great tuning kit from Holley. This one will allow you to "tailor" accelerator pump performance to the engine's actual requirements. Each cam has a different shape or profile to give different results. Cam "lift" directly affects the accelerator pump stroke and, therefore, pump capacity. Ramp profile or shape controls the "timing" of the shot. a steeply rising ramp shape will give a fast, heavy fuel shot right off idle. Conversely, a gently