Holley 300-670 Lo-Ram Intake Manifold Base Single Injector Satin Finish

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US$279.98
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US$279.98
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Free shipping Free 30-day returns

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Management number 254390409 Release Date 2026/11/07 List Price US$279.98 Model Number 254390409
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Compatible with GM LS Gen III and IV engines equipped with LS3/L92 Heads;<br><br>This Holley Low Ram manifold base fits Gen III/IV engine with original or aftermarket LS3/L92 cylinder heads. It is designed forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm. It has a low base height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration. It includes high flow fuel rails with 3/4-16 (8 AN) O-ring ports with two sets of mounting brackets that allow the use of standard tall injectors or short Pico or LS7 injectors. As cast finish, a black powercoated finish is also available, 300-670BK. And a dual injector version is also available, #300-671. Mounting hardware is included.;

  • Designed for Gen III/IV engines with OE or aftermarket LS3/L92 heads
  • Maximum performance for supercharged or turbocharged applications with peak power at 7000-8000 rpm
  • Base manifold has low height to accommodate custom plenum mounted air-to-water intercoolers
  • Modular LS3 Lo-Ram design allows customization for user desired configurations
  • High volume fuel rails with 3/4-16 (8 AN) O-ring ports and eight injector configurations. Two sets of brackets allow use of standard tall injectors or short Pico LS7 style injectors. Mounting hardware included.
Vehicle fitment type Specific
Vehicle type Car
Brand Holley EFI
Material Cast Iron
Weight 18.3 lb
Finish Satin
Items included Mounting hardware
Has written warranty No

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