Brian Tooley Racing 6-CWT Forged Crankshaft for Gen 3/4 LS Engines
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". BTR has either a 3.622", 3.900" or 4.000" stroke along with three different reluctor wheel options, including standard factory 24 & 58 tooth wheels, or an upgraded 24 tooth BILLET wheel. A standard wet sump snout and 6-bolt rear flange will allow you to bolt on your factory balancers & flywheels/flexplates or the many aftermarket pieces offered.
Features:
- Available in 3.622", 3.900" or 4.000" Stroke
- 6 Counterweight Design
- 2.100 Rod Journal Diameter
- 6 Bolt Flange
- Chamfered Oil Holes to Improve Oiling
- .125" radius on both the connecting rod journals and main journals for increased strength
- Leading edge chamfer and radius on counterweights
- Standard LS Wet Sump Snout
- 4340 Forged High Tensile Strength Alloy
- Average Weight: 58lbs
NOTE: BTR crankshafts require an OEM style, one-piece crank gear.
