Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620 holley 4L V8 1973 - 1974

4L V8 1973 - 1974 GMC C25/C2500 Pickup 454/7

improving throttle response and broadening the torque curve

7L V8 1965 - 1967 Ford Custom 289/4

1968-1970 Ford Mustang

Brand Holley EFI CFM N/A Emission Code 4 Forced Induction HP@43PSI 600 Fuel Type Gasoline GPH@15PSI 80 GPH@43PSI 67 GPH@8PSI 85 Hose Length 20' Hose Series Earl's Super Stock™ Black LPH@15PSI 302 LPH@43PSI 254 LPH@8PSI 322 Naturally Aspirated HP@15PSI 800 Naturally Aspirated HP@43PSI 700 Naturally Aspirated HP@8PSI 850 Pressure Range 40-70 PSI Product Type EFI Fuel System Kit Warning California Proposition 65 Warranty Limited 90 Day

Holley Modular Lo-Ram EFI Manifold LS1/2/6 - 300-620 holley 4L V8 1973 - 1974Overview: The Holley LS1 2 6 Lo Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1 2 6 (cathedral port) cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Lo Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications and the 105 mm throttle body part number 112 581 or similar models. The base intake manifold is designed with