4" Rear Lift Block High Strength Steel 2wd 4wd These heads are flow tested

These heads are flow tested on a Superflow SF600 at 28 inches with a 1/2 inch radius intake plate and short stack exhaust tube

Each kit comes with high-torque motor

look no further than Speedmaster gaskets for the best sealing power

Speedmaster brake caliper brackets are constructed from durable steel and are finished in gold iridite

Speedmaster intake manifold straight adapter bushing set

4" Rear Lift Block High Strength Steel 2wd 4wd These heads are flow testedAdjust your ride height with Speedmaster lift blocks. Speedmaster blocks are manufactured from top quality materials and are tapered to improve vehicle driveshaft angle.