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Model 31 OHV avs

Infinite radius velocity stack

18.95

Fits Briggs & Stratton Model 28 L-Head LMT Walbro Carburetor. (Approximate 2.5” OD x 1.236” ID bolt spacing 2.125” Tap 1/4-20 on back side of adapter for mounting; check your air filter for fitment.)

 

Velocity Stacks use a radius that helps guide air to increase velocity and flow. We recommended using velocity stacks over plain filter adapters in every class that they are legal to use it. Check your rule book before ordering. Each piece is CNC machined from 6061-T6 Aluminum and includes all parts needed to install.

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