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SM22010
SM220011
Holeshot Plus Series Manifolds for 1957-’ 95 SB Chevrolet V8
The Speedmaster Holeshot Plus Series manifolds are similar to the standard Holeshot Series manifolds, except they are approximately 3 / 8” taller and it comes with a square bore carburetor flange which accepts most of the popular aftermarket carburetors. It’ s most distinctive feature is a rear water crossover passage. This is the only SB Chevy manifold with this feature. A feature which contributes significantly to a cooler running engine. The manifold also has nitrous bosses and four corner water ports. It also comes with stainless 12-pt bolts, pipe plugs, and insert bushings.
SM22010 1957-’ 95 SB Chevy V8- Polished Finish SM22011 1957-’ 95 SB Chevy V8- Satin Finish
SM22012
SM22013
Holeshot Plus Series Manifold Kits for 1957-’ 86 SB Chevrolet V8
This manifold is the same as the above but comes without the stainless bolts, gaskets, and other supplied parts. It has all the same features outlined for the manifolds shown above which includes the rear water crossover passage, four corner water ports, and nitrous bosses. This is an outstanding all around street manifold and is available in a polished finish and a satin finish.
SM22012 1957-’ 86 SB Chevy V8- Polished Finish SM22013 1957-’ 86 SB Chevy V8- Satin Finish
SM22020
SM22021
Qualifier Series Manifolds for 1957-’ 86 Small Block Chevrolet V8
The Qualifier series line of manifolds is one of our most popular high performance street manifolds. For most street applications we recommend a 600 to 700 CFM vacuum secondary carburetor. For high performance street use and bracket racing use a 700- 800 CFM double pumper carburetor. This manifold produces outstanding power and is. 70” taller than our low profile SM22000 / SM22001 Holeshot Series Manifolds. It has a provision to machine for a front oil fill tube. No provision for exhaust heated or stock style chokes. This manifold will not fit under a stock Corvette hood.
SM22020 1957-’ 86 SB Chevy V8- Polished Finish( Non EGR) SM22021 1957-’ 86 SB Chevy V8- Satin Finish( Non EGR)
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