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Holley EFI Intake, Chevy Big Block V8 EFI 300-561

Holley EFI Intake, Chevy Big Block V8 EFI 300-561
Holley EFI Intake, Chevy Big Block V8 EFI 300-561Holley EFI Intake, Chevy Big Block V8 EFI 300-561Holley EFI Intake, Chevy Big Block V8 EFI 300-561Holley EFI Intake, Chevy Big Block V8 EFI 300-561Holley EFI Intake, Chevy Big Block V8 EFI 300-561
$853.99 ea
NEWARRIVING SOONEstimated Ship Date 05/24/2024 (If Ordered Today)18 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/03/2024
Model: 3992596
STANDARD
DELIVERY
Holley EFI is excited to launch four new multi-point fuel injection intake manifolds for the big block Chevy. These new intakes are available to fit oval or rectangular port heads, and 4150 or 4500 style throttle bodies. These Intakes are ideal for converting your big block high performance or racing engine from carburetion to fuel injection. These intake manifolds were computer designed and dyno proven to produce more horse power and torque than other EFI manifolds. Each manifold package includes anodized and laser etched fuel rails, and two sets of mounting brackets (brackets allow use of 1.48" or 2.56" O-ring to O-ring injector lengths).
Features:
  • Open plenum/single plane design
  • No EGR provisions
  • 3000-7500 RPM power band
  • 4150 carburetor mounting flange
  • Includes fuel rails and mounting brackets
  • Designed for today's larger cubic inch big block Chevy race engines
  • Perfect for hard core drag racers in the NHRA Super Comp, Super Gas, and Street classes as well as IHRA Quick Rod, Super Rod, and Hot Rod categories
  • Oval Port Dimensions: 1.87” High x 1.60” Wide
  • Height: Front 5.96", Rear 5.96"
About Holley Performance Products

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Downloads:

Download Name File Size
199r10717rev.pdf393.76KB

Videos:

Specifications:

Construction Cast
Emission Code 3
Engine Chevy Big Block V8
Manifold Type High Rise
Part Type Engine Intake Manifold
Product Type EFI Intake Manifold
RPM Power Band 3000-7500
Warranty Limited 90 Day

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Holley EFI Intake, Chevy Big Block V8 EFI 300-561:

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