Holley Needle and Seat Bottom Gasket (10 Pack) HASZ20SM Dual feed fuel inlets for

Dual feed fuel inlets for constant high volume fuel delivery

1984-1987 GMC Caballero

Modifications needed for use with some aftermarket blocks

TH200-4R 1981-1990

DEI's Black Titanium Wrap maximizes horsepower and performance by reducing underhood temperatures and maintaining high exhaust gas velocity

Holley Needle and Seat Bottom Gasket (10 Pack) HASZ20SM Dual feed fuel inlets forHolley Needle and Seat Bottom Gasket 1008 777 10 Pack Needle and Seat Assembly 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 scene as well. Holley's products also include