Product Summary

Universal Fit, 1" Overall Thickness, Phenolic

  • Fits Holley 4150/4160 bolt pattern
  • Phenolic construction reduces heat transfer and increases power
  • Spacers lengthen the intake plenum increasing its volume, and speeding up flow
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Key Specs

MFG. Part #1351901
BrandSpeedway Motors
Carburetor Flange Type4-Barrel Square Bore
Overall Thickness1"
Material TypePhenolic
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 1351901 Details

Phenolic material is a type of plastic resin which has excellent insulating properties, so it will keep the fuel in your 4 barrel Holley 4150/4160 cooler for more power.
  • Fits Holley 4150/4160 bolt pattern
  • 1" tall
  • Open design
  • Phenolic construction reduces heat transfer and increases power

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.

Speedway Motors 1351901 Specifications

KEY SPECS
MFG. Part #1351901
BrandSpeedway Motors
Carburetor Flange Type4-Barrel Square Bore
Overall Thickness1"
Material TypePhenolic
GENERAL
Carburetor Spacer StyleOpen
Sold in QuantityEach
Inside Length3.55"
Bolt Hole Pattern5.63" x 5.16"
Gasket(s) IncludedNo
Hardware IncludedNo
NotesIncludes dowel pins.

Ratings & Reviews

5

6 Reviews

Overall Assessment

Customers highly praise the product for its excellent quality and perfect fit, setting this carburetor spacer apart from competitors. They not only appreciate the product's effective functionality, but also its evident role in enhancing their car performance. Buyers express their satisfaction by affirming they would repurchase the product, thereby reinforcing its dependability and superiority.

5

6 reviews

5

6

4

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3

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Filter by Ratings

As advertised

5.0

2 months ago

El

Houston Tx

Verified

As it should be used.

Would Recommend

Exactly as described

5.0

a year ago

Johnny

Richmond, CA.

Verified

This is exactly what I wanted and it works for my application, so it's perfect.

Would Recommend

very good quality carburetor spacer

5.0

2 years ago

JH

Ohio

Verified

no issues with fitment

Would Recommend

i would buy agin

5.0

8 years ago

fast eddy

guntown, ms

Verified

put on car and it helped it out

Would Recommend

I would buy again

5.0

8 years ago

Mark

Manhattan Ks

Verified

Nice fit

Would Recommend

Very good quality

5.0

9 years ago

Siskpac

Bremen, In

Verified

Fit, good quality!

Would Recommend

Showing 6 of 6 reviews

Questions & Answers

3 Questions • 3 Answers

Would this fit a Holley 80555-1 carb.

by otis

• 7 years ago

1 answer

Will this fit a 83670 Holly

by JB

• 9 years ago

1 answer

Good Morning, The Phenolic spacer came with two role pins and corresponding holes. What is the purpose of the pins and how should they be installed. Im not thrilled about having metal objects sitting in the plenum that could end up in the motor.

by Mad Jack

• 11 years ago

1 answer

3 of 3 questions shown

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