Holley Aluminum Tall Chev LS Engines LS3 Polished Rocker Covers # HO241-111 Rate_Engine The needle and seat assemblies

The needle and seat assemblies that are installed in Holley Performance carburetors can sufficiently control fuel pressure up to about 8 psi

Use with boosted applications requires a 2-bar MAP sensor

NEW FUEL PUMP

Rails will have a Black Anodized Finish and -6 AN inlet/outlets

They're constructed for superior filtration and airflow performance

Holley Aluminum Tall Chev LS Engines LS3 Polished Rocker Covers # HO241-111 Rate_Engine The needle and seat assembliesHolley Aluminum Tall Chev LS Engines LS3 Polished Rocker Covers # HO241 111 Valve Covers, Tall Height, Cast Aluminum, Natural, Polished, Chevy, 4. 8, 5. 3, 5. 7, 6. 0, 6. 2, 7. 0L, Pair Valve Cover Mounting Style: Centerbolt Valve Cover Height: Tall Valve Cover Top Style: Plain Valve Cover Material: Cast aluminum Valve Cover Finish: Polished Baffled: Yes Breathers Included: No Gaskets Included: No Grommets Included: No Mounting Hardware Included: Yes