Key Specs

MFG. Part #
BrandSpeedway Motors
Intake Manifold TypeDual Plane
Carburetor Flange TypeDual: Square and Spread Bore
Material TypeAluminum
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Need To Know

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Details

The Speedway Motors Holeshot Manifold is the lowest profile intake design, making it a perfect improvement over stock intake manifolds without worrying about hood clearance. The Holeshot intake manifolds are a dual plane intake runner design and machined to accept spread port carburetors, but can also work with square bore carbs using the supplied adapter. If you are looking for just a mild improvement over your stock intake manifold, then the Holeshot intake is the right choice to breath new life into your project

  • Idle-5500 rpm range
  • Non-EGR performance intake manifold
  • Low profile design for hood clearance

Some parts are not legal for use in California or other states with similar laws/regulations

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Specifications

KEY SPECS
MFG. Part #
BrandSpeedway Motors
Intake Manifold TypeDual Plane
Carburetor Flange TypeDual: Square and Spread Bore
Material TypeAluminum
GENERAL
Fuel System TypeCarbureted
Carburetor QuantityOne
Finish
EGRNo
Gaskets IncludedYes
Bolt Hole Pattern4.250" x 5.625" & 5.160" x 5.625"
Sold in QuantityEach
NotesOnly carb gasket included. Square ports.

Ratings & Reviews

4

2 Reviews

Overall Assessment

Customers highly recommend the product due to its high performance and throttle responsiveness - qualities setting it apart in comparison to alternatives. Especially appreciated for its practicality, the product was reported to work exceptionally on a Vortec 350 engine. The product distinctively stood out for its superior quality and usability, reaffirming customer commitment to purchase again.

4

2 reviews

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I would love to recommend this to a friend

4.0

a year ago

Ump

Fredericktown, Mo.

Verified

It's going on a vortec 350 for my 41 Willy's project

Would Recommend

Definitely would purchase this again

4.0

4 years ago

Slingers

Minot ND

Verified

Very throttle responsive

Showing 2 of 2 reviews

Questions & Answers

5 Questions • 5 Answers

Will , this intake work on an LT1

by JBone

• 9 months ago

1 answer

Will this manifold fit the earlier "double hump" fuley heads on an early '60's 327 block

by Bill

• a year ago

1 answer

Can you tell me what the carb pad height is. I need to have it to be sure I can fit it to my car

by Dan

• 4 years ago

1 answer

What are the port size of the intake runners

by Todd

• 7 years ago

1 answer

will it fit 1990 5.7 L SBC? What will fit?

by jack

• 7 years ago

1 answer

5 of 5 questions shown

Customer Impersonation Script