Holley Sniper Fabricated Intake Manifold - 102 mm Throttle Body Flange - Fuel Rails - Multi Port - Aluminum - Black - GM LS-Series Take Up Spring The 506 seals have a

The 506 seals have a

1971-1971 GMC K25/K2500 Suburban

Advantages of cast iron rings include:

Holley is quickly becoming The New Standard In EFI

K&N Air Filter / Calibration Tool

Holley Sniper Fabricated Intake Manifold - 102 mm Throttle Body Flange - Fuel Rails - Multi Port - Aluminum - Black - GM LS-Series Take Up Spring The 506 seals have aEngine Intake Manifold 102Mm Throttle Bore Opening For Increased Air Flow 100 Percent Tig Welded For Strength And Durability Includes 3 8 in. Fuel Rail Kits Product Includes All Gaskets And Hardware For A Hassle Free Installation The Sniper Intake Will Only Accept EV1 Style Injectors Product Description: Intake Manifold Sniper EFI Fabricated 102 mm Throttle Body Flange Fuel Rails Included Multi Port Aluminum Black Anodized GM LS Series Kit Sniper