Racing Power Throttle Body - 102 mm Single Blade - Aluminum - Black - GM LS-Series 1425001 Three head bolt bosses are

Three head bolt bosses are raised higher than the standard D-port heights and will require head bolt kit #8561 to install these heads

All RaceQuip Window Net Mount Kits are made from high quality steel then zinc plated for a durable finish

2-1/4 in Pipe Diameter

Magnum Pushrods for Big Block Chevy with Retro-Fit Hydraulic Roller Cam

Racing Power Throttle Body - 102 mm Single Blade - Aluminum - Black - GM LS-Series 1425001 Three head bolt bosses areProduct Description: Throttle Body Stock Flange 102 mm Single Blade Aluminum Black Anodized GM LS Series Sold Individually Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.