Speed Pro Main Bearing Spacer Set LK22173 the modular design of this

the modular design of this intake manifold incorporates the latest air flow technology for maximum torque gains in the mid-range

4000 / 7200 RPM

Not only does it have more than 50% greater clamping force

Comes w/7 in

Be Sure to check out all of our products from Holley Performance including Holley Throttle Bodies

Speed Pro Main Bearing Spacer Set LK22173 the modular design of thisSpeed Pro Main Bearing Spacer Set 147MSEMI Main Bearing Set Best bronze alloy material Does not have flash tin plating Extreme fatigue resistance & strength Not street legal Silicon particles help polish crankshaft journal (reduces wear during operation)From pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies, from cutting edge