High performance intake manifold gaskets for 265-400 Small Block Chevy V8 engines., Thicker 1/8" gaskets designed for milled heads/intakes., Heat crossover port is blocked., Port height measures 2.1875" and port width is 1.3125"., Sold as set.
Speedway S/B Chevy Intake Gasket Set, 1206 Style, 1/8 Inch Thick Speedway Motors
Speedway S/B Chevy Intake Gasket Set, 1206 Style, 1/8 Inch Thick
Sku # 91010235
Mfr. Part # 91010235
Condition
New
Brand
Speedway Motors
Sold
Set
Details

Speedway high-performance intake manifold gaskets for 265-400 SB Chevy V8 engines.

  • Thicker 1/8" gaskets designed for milled heads/intakes 
  • No end seals - use silicone gasket maker
  • Heat crossover port is blocked
  • Compare to Fel-Pro

Item Details

1206 style, 1-5/16" x 2-3/16" Medium Race
Specs
MFG. Part #
91010235
Port Height
2.1875"
Port Width
1.3125"
Material Thickness
.125"
Overall Height
2.875"
Overall Width
19.75"
Reviews

Good quality with no issues

Rated
Product Rating
by J.L.Speed on January 20, 2026

Summary: Good gasket for the budget racer

Yes, I recommend this product.

look good

Rated
Product Rating
by bob on December 26, 2021

Summary: have not used yet

I would buy this product again "perfect fit"excellent fit

Rated
Product Rating
by Don on March 18, 2021

Summary: Excellent fit for the older intake I was using !

Yes, I recommend this product.

Great product!

Rated
Product Rating
by RJ on June 25, 2017

Summary: Easy to install.

Yes, I recommend this product.

Tech Support
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 74 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.