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The Speedmaster MidRise Air design features the identical plenum and runner design as the normal MidRise
Kits include: Fully assembled aluminum cylinder heads
Speedmaster braided hoses feature a partial stainless steel reinforcement within the inner braid
These coils feature advanced bobbin technology
equal-distribution layout produces great midrange torque without compromising top-end power
Chevy LS2 4.000" 403ci Forged Rotating Assembly Kit [4.005] The Speedmaster MidRise Air designSpeedmaster Chevy LS2 rotating assembly featuring a precision ground forged 4340 steel crankshaft, 4340 chromoly H beam connecting rods, and forged flat top pistons matched to your bore size.
