BLACKTOP 4AGE FOR SALE NO FURTHER A MYSTERY

The blacktop has lighter internals that are also weaker, but it's a bit faster. No hurt if you're not undertaking any massive mods, but any forced induction and you will be needing to uprate the blacktops internals.Stroking the crankshaft to your maximum 81mm will preserve the RPM ability intact. Bores is often introduced out to 83mm, but test to m