Holley Mechanical Fuel Pump Diaphragm Assembly (Low Pressure) Helmet Support Strong torque

Strong torque

Protects Power Valve

RaceQuip Ribbon Window Nets are constructed of heavy-duty 1" polypropylene webbing and nylon thread for maximum durability

It’s our way of doing business

This SFI 3

Holley Mechanical Fuel Pump Diaphragm Assembly (Low Pressure) Helmet Support Strong torqueReplacement mechanical fuel pump diaphragm and spring assembly for 12 327 30, 12 454 30, 12 454 40 and 12 289 30 fuel pumps. Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro Stock 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