![Ford 429 Boss 4150 HiRise Intake Manifold [Satin] allowing it to run cooler](https://cdn.shopify.com/s/files/1/0762/0316/3867/files/PCE147.1129_bdcc5e29-4344-4c03-9ec5-76a9a6ee6cea.jpg?v=1782118384)
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allowing it to run cooler and quieter than external units
The Speedmaster C4 performance planetary gear sets eliminate your weakest link
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
These Speedmaster brake conversion kits are the first step to modifying the stock hub and spindle on your early Mustang to aftermarket disc brakes
Ford 429 Boss 4150 HiRise Intake Manifold [Satin] allowing it to run coolerStep 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.
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