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HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 2
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 3
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 4
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 5
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 6
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 7
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 8
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 9
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 10
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 11
HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673 - Image 12
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HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92 Dual Injector manifold and fuel rails-Satin Finish Part # 300-673

Original price was: $600.00.Current price is: $264.58.

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Dual Injector manifold and fuel rails-Satin Finish

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HOLLEY EFI

HOLLEY ULTRA LO-RAM MANIFOLD BASE AND FUEL RAILS DUAL FUEL INJECTOR GM LS3/L92

Dual Injector manifold and fuel rails-Satin Finish

Part # 300-673
The Holley LS3 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. The plenum flange has a 105 mm opening to work with throttle body part number 112-581 or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood. The LS3 Ultra Lo-Ram is constructed to provide a very low profile modular intake manifold suitable for fabrication of special throttle body adapters or inlet ducts for custom installations. Available with single or dual injector provisions and a burst panel flange options.The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors.

Features:

  • Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads
  • Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application
  • Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports
  • Low height & compact packaging allows installation in most applications often under stock hoods
  • Available with both as-cast satin and black power-coat finishes
  • High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with3/4-16 O-ring ports (8 AN)and mounting hardware included with 3/4-16 O-ring ports (8 AN)
Brand Holley EFI
Color Silver
Construction Cast
Emission Code 3
Engine GM LS3/L92
Finish Silver
Fuel System Type EFI
Injector Quantity Dual
Inlet Location Front
Manifold Type Ultra Lo-Ram
Product Type Intake Manifold Base
Recommended Use Forced Induction
RPM Power Band 3500-8000 RPM
Warranty Limited 90 Day
UPC 090127100851
Part Number 300-673
Weight 19 lbs
Dimensions 19.7 × 7.4 × 14.7 in

Brand

Holley EFI

Holley is quickly becoming The New Standard In EFI! Holley’s HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley’s EFI throttle body powers every NASCAR Sprint Cup Series™ team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All-Star race. But that’s not all. The world’s best hot rod builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It’s the easiest, most refined, feature-rich system that money can buy. But, don’t take our word for it, see what the best are saying about Holley EFI!

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