Holley 300-683BK Lo-Ram Intake Manifold Dual Injector Black Finish

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US$519.98
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US$519.98
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Free shipping Free 30-day returns

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Management number 254474045 Release Date 2026/11/07 List Price US$519.98 Model Number 254474045
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Compatible with GM LS Gen III and IV engines equipped with LS3/L92 Heads;<br><br>Designed for Gen III or Gen IV engines with LS3/L92 cylinder heads, OE or aftermarket. The Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm. Accepts 105 mm throttle body part number 112-581 or similar models. The base intake manifold is designed with a low height to aid the packaging of a plenum mounted air-to-water intercooler in a top-feed configuration. Has provisions for a two injectors per cylinder. The included high flow billet fuel rails with 3/4-16 (8 AN) O-ring ports have two different sets of brackets to accommodate both long (usually standard length) fuel injectors and short (such as Pico, or LS7) fuel injectors. Comes in a black powdercoat finish with an as cast finish also available, #300-683. Mounting hardware included.;

  • Designed for Gen III/IV engines with OE or aftermarket LS3/LS92 heads
  • Maximum performance for supercharged or turbocharged applications with peak power at 7000-8000 rpm
  • Accepts 105mm throttle bodies like Holley 112-581
  • Base manifold has low height to accommodate custom plenum mounted air-to-water intercoolers
  • High volume fuel rails with 3/4-16 O-ring ports (8 AN) for sixteen (two per cylinder) 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 29.15 lb
Finish Black
Items included Mounting hardware
Has written warranty No

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