Holley - Hi Ram Intake Base - Carb LS1/LS2/LS6

The Holley Hi-Ram Intake Base is engineered for GM LS1/LS2/LS6 engines, providing a cost-effective alternative to fabricated sheet-metal manifolds. Its modular design accepts a wide range of carbureted and EFI tops, making it ideal for custom induction systems. The intake features a tunnel ram configuration with a runner length of 6.58 inches and a tapered cross-sectional area, designed to perform well across various engine configurations. Constructed from cast aluminum, it includes EFI fuel rails machined for -8AN O-ring fittings, accommodating high fuel flows and dampening pressure pulsations. This intake is intended for naturally aspirated or forced induction engines in the 6.0 to 7.0+ liter range, delivering maximum power at 7000-8000+ RPM. Key specifications include a port size of 2.49 inches in height by 1.21 inches in width, a standard LS3 molded O-ring mounting flange gasket, and a 3/32-inch round O-ring cord plenum top gasket. The product dimensions are 20.45 inches in length, 14.7 inches in width, and 10.75 inches in height. Please note that this part is only legal for sale and use on uncontrolled (non-emissions controlled) vehicles or on vehicles used solely for closed competition racing.