8 pump cams to fine-tune your Holley carb's accelerator pump shot. Each cam has a different shape or profile to give different results. Cam "lift" directly affects the accelerator pump stroke and, therefore, pump capacity.
Genuine Holley 50cc Accelerator Pump Arm Fits 2300 4150 1063-833
Genuine Holley 135-5 30cc Accelerator Pump Diaphragm 2 Pack
Genuine Holley 135-7 Carburetor 50cc Accelerator Pump Diaphragm
Genuine Holley Carburetor 50cc ACCELERATOR PUMP DIAPHRAGM 135-7-2 (2 Pack)
Genuine Holley 135-5 30cc 30 cc Accelerator Pump Diaphragm Carb 2 Pack (2) A36X2
Genuine Holley 135-5 30cc Accelerator Pump Diaphragm 2 Pack A36X2
