Holley Vacuum Secondary Diaphragm - Carburetor Model Numbers R3659/R4365-1/R4382-1/R4383-1/R4393-2/R4394-2/R4671/R4672/R4789/R4790 BR40094 035" thicker material than stock

035" thicker material than stock OE plates

Fits Trucks with Factory Front Control Arms

1963-1965 Dodge 880

2000-2011 Chevrolet Suburban 1500

1967-1972 Plymouth Barracuda

Holley Vacuum Secondary Diaphragm - Carburetor Model Numbers R3659/R4365-1/R4382-1/R4383-1/R4393-2/R4394-2/R4671/R4672/R4789/R4790 BR40094 035" thicker material than stockHolley Vacuum Secondary Diaphragm 135 6 Carburetor Model Numbers R3659 R4365 1 R4382 1 R4383 1 R4393 2 R4394 2 R4671 R4672 R4789 R4790 Vacuum Secondary Diaphragm 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