Ford 429 Boss 4150 HiRise Intake Manifold [Satin] Speedmaster throttle position sensors will

Speedmaster throttle position sensors will keep your engine running reliably by properly monitoring throttle angle

then highly polished and chrome plated for lasting beauty

Can also be used to update your aftermarket distributor if you just need a tune up kit

stainless steel alloy and are carefully designed to increase gas flow for more power

The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles

Ford 429 Boss 4150 HiRise Intake Manifold [Satin] Speedmaster throttle position sensors willStep up to the high rpm power of an open plenum with Speedmaster HiRise intake manifolds. These cast aluminum manifolds accept square bore carburetors and are pressure tested to ensure maximum performance. They start to make awesome power around 3,000 rpm.