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This is a new CNC tapered port aluminum polished carb. spacer. Fits all popular square bore 4 barrel carburetors 4150 Style with 1 11/16" throttle blades. Combines the best of both 4 hole and open spacer properties to produce increased flow, HP, and torque. Comes with one 4-hole gasket, one open-hole gasket, four carb. studs w/ nuts and washers.
- Between 10-30 typical bolt-on HP
- Improved throttle response
- Increased flow
- Increased torque
- Lightweight design
- Works for drag, street, oval, towing, marine
- Works over the entire RPM range
Lightweight design plus advanced CNC machined tapered ports make this spacer a must have. As the port transitions down from the 4 holes airflow and fuel distribution are enhanced, slowing velocity and smoothing entry into the intake runners. Part throttle and full throttle response is improved throughout the entire RPM range (machined taper side goes towards intake).
Ordran
Reviewed in the United States on December 21, 2023
Excelente producto muy bueno
Big John
Reviewed in the United States on August 26, 2022
Looks nice and seems like decent quality. Studs even look nice with a nice milled top. But the studs are to short. Edelbrock carb. Need another 1/2 inch for nuts and mounting throttle bracket.
Rick Carlson
Reviewed in the United States on July 4, 2022
I used this spacer on a Edelbrock dual plane manifold with a Edelbrock 1406 carb and it bolted on with no issues. This spacer is beefy and nicely made.
Steel
Reviewed in the United States on May 24, 2022
Linda R Risk
Reviewed in the United States on February 9, 2022
Worked great. Can spin the tires at every stop sign. Easy to install.
Ils0crlI
Reviewed in the United States on February 25, 2022
So far so good. Looks comparable to more expensive 4150 spacers. Works great on Holley Sniper units. Eliminates whistle from carburetor if you had an open style spacer. Metal feels quality and is smooth with no pits. No complaints to date.
1hotmoma
Reviewed in the United States on February 17, 2022
Exactly what I needed, great price.
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