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Carburetor Diaphragm
Vacuum Secondary Diaphragm
Vacuum Secondary Diaphragm; Carburetor Model Numbers R3659/R4365-1/R4382-1/R4383-1/R4393-2/R4394-2/R4671/R4672/R4789/R4790;
Vacuum Secondary Diaphragm primarily used on out board 6-pack Carburetor Numbers: R3659 R4365-1 R4382-1 R4383-1 R4393-2 R4394-2 R4671 R4672 R4789 R4790
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR Sprint Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress-up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Exhaust, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. To be eligible for a return, your item must be in the same condition that you received it. New, unopened, uninstalled, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
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