Aluminum Open Carb Spacer, 2 Inch
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Q & A
What's in the Box
Aluminum Holley open carb spacers. Includes gaskets and hardware.
- Open center design
- 4 barrel Holley carburetors
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These open center carburetor spacers are designed to fit Holley 4150/4160 bolt pattern 4 barrel carbs. They are IMCA approved and are made to reduce heat conductivity for optimum performance.
- Plastic spacer reduces heat conductivity 10 times greater than aluminum
- Results in a denser, more powerful fuel charge to the manifold
- Fits Holley 4150/4160 bolt pattern
- IMCA approved
- Includes studs, nuts & washers (gaskets not included)
This lightweight kit allows you to adjust the stud length correctly which means your air cleaner will stay tight and not fly off.
5/16"-18" thread. 7-1/4" overall length.
Why keep buying paper elements when this one could last a lifetime? This air cleaner assembly features a washable element, a beautiful chrome plated top and base designed for the common 5-1/8" carb neck.
14" diameter with 3" high filter to fit 4 barrel carbs with 5-1/8" diameter necks. Offers maximum air flow with only 2-1/2" stack height above the carburetor lip. Dyno tests report that small blocks using Moroso air cleaners can produce 10 more horsepower than with other air cleaners.
- Moroso's unique radiused air inlet design equalizes air pressure past the boosters for uniform air flow
- Radiused air inlet is stamped into air cleaner base to reduce overall height
- Back to back dyno testing proves a gain of over nearly 10 horsepower over running no air cleaner at all
- Overall stacking height above the carburetor lip of only 2-1/2"
- Fits all Holley, Carter, Rochester, and Edelbrock carburetors with 5-1/8" dia. necks