Holley Accelerator Pump Cam Assortment Kit RG20003M *** Some modifications will be

*** Some modifications will be required when being fitted to "X" body and Chevelle models

The SFC015s connect the front and rear sub-frames

GMC TH2004R Automatic Transmissions

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32 machined washers are tapered for extra strength

Holley Accelerator Pump Cam Assortment Kit RG20003M *** Some modifications will beAnother 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