Brian Tooley RacingSKU: BSD-BTR-BTRCRA3900F124
BTR FORGED LS CRANKSHAFT 3.900" STROKE WITH 24X RELUCTOR - - Brian Tooley Racing - BTRCRA3900F124
Description
BTR's Premium 4340 Forged Crankshafts are available for serious street & race LS engines. Each crank is core-hardened using nitride for improved strength bearing life and size tolerances held to +/-.0002".