EFI Sensor Kit for 1-148-016 Downdraft Manifold [Fast Kit 1-135-013] The GM LS1 Modular Ram

The GM LS1 Modular Ram Air Intake Manifold was designed for high-performance applications where induction system height is not limited

and have a maximum pressure of 7 psi with an externally accessible pressure relief valve

Speedmaster Fabricated Aluminum Valve Covers are made form high grade aluminum and include billet rails which provides an excellent seal and strength to any performance engine

The pump is submerged in fuel

The Speedmaster Serpentine Pulley Kit is engineered to offer a balance of performance and value for high-performance street cars and race car applications

EFI Sensor Kit for 1-148-016 Downdraft Manifold [Fast Kit 1-135-013] The GM LS1 Modular Ram