Holley Accelerator Pump Diaphragm - 50 cc - Rubber - Gas - Holley / Demon Carburetors GBDLC 12 AN Female to 10

12 AN Female to 10 AN Male O-Ring

45 degree chuck

ΓÇóDual metering blocks w/4-corner idle for smooth and efficient idle quality

650 in Diameter

200C and 350C

Holley Accelerator Pump Diaphragm - 50 cc - Rubber - Gas - Holley / Demon Carburetors GBDLC 12 AN Female to 10Carburetor Diaphragm. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine