K-Series STREET Short Block K20C1 Engine Ferrea KT4033 and KT4038 are

Ferrea KT4033 and KT4038 are acceptable

and this new engine will further open that gap

We are giving away a 4P Engine to one of our amazing customers

This engine also features a thick and rigid ductile iron sleeve as used in our world record holding K and B engines

K-Series STREET Short Block K20C1 Engine Ferrea KT4033 and KT4038 are4 Piston Racing Short block assembly: Chamfer and debur all sharp edges and oil galleys, chamfer bearing housings and bottom of cylinder bore High pressure thorough cleaning of oil galleys in block and crankshaft Mic pistons and verify straight bore with precision Sunnen bore gauge, set piston to wall clearance for your application Set ring gap for specific application Balance rotating assembly Set bearing clearances Race preparation and debur to