Holley EFI Hi-Ram Intake For LS1/LS2/LS6 Cathedral Port
510-300-123









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LS Modular Hi-Ram Intake
Specifications:
Holley GM LS Modular Hi-Ram Intake Manifold features aggressive race-bred styling for all-out performance! Intended for use where hood clearance is not a factor, Hi-Ram intakes feature straight long runners with a tall overall height for producing maximum power on naturally aspirated or forced induction engines at 7,000 to 8,000 RPM! Designed with a modular base to allow a wide variety of carbureted or EFI tops and also provides a great foundation for custom fabricated inductions. Hi-Ram LS intakes are perfect for any LS powered drag race, muscle car, marine, off-road, sandrail, pulling truck or street-rod application! Features Make Your Bad Intentions Known!
Does Holley 300-123 fit your vehicle?
2005 CHEVROLET CORVETTE
- Liter: 6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
2007 CHEVROLET CORVETTE
- Liter: 6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
2000 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: Z28
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
1997 CHEVROLET CORVETTE
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish;Legal for Racing Use Only; RPM Power Band 1500-7000
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
1998 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: Z28 SS
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
2004 PONTIAC GTO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
1999 PONTIAC FIREBIRD
- Liter: 5.7
- SubModel: FORMULA
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
2000 PONTIAC FIREBIRD
- Liter: 5.7
- SubModel: TRANS AM
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish;Legal for Racing Use Only
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
1998 CHEVROLET CAMARO
- Liter: 5.7
- SubModel: Z28 SS
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish;Legal for Racing Use Only; RPM Power Band 1500-7000
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
2003 CHEVROLET CORVETTE
- Liter: 5.7
- SubModel: 50TH ANNIVERSARY EDITION
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: G
2004 PONTIAC GTO
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: -
2006 CHEVROLET CORVETTE
- Liter: 6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- Fitment Notes: Cathedral Port EFI For 1 x 105mm Throttle Body/Rear Height 8.42 in.; RPM Power Band 1500-7000; Satin Finish; RPM Power Band 1500-7000
- CUI: 364
- Engine Type: V8 ( 6L / 364 )
- Engine Vin: U
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.