THE 5-SECOND TRICK FOR 4AGE ENGINE SALE

Even with others claim of a 20HP or more raise- on modified heads alone, this is just difficult with out camshaft or pistons transformed. Toyota has casted and machined all their four valve heads to incredibly shut and exact tolerances for Avenue (and rally) use.Stroking the crankshaft to your maximum 81mm will keep the RPM functionality intact. Bo