This is Brian Tooley Racing's TK001 rocker arm trunnion upgrade kit for GM LS-series engines, sold as the axle assembly only (trunnions, bearings, clips, and washers) without rocker mounting bolts. It replaces the factory rocker arm trunnion and bearing arrangement to eliminate the failure-prone, limited-travel factory bearings inside stock LS rocker arms.
- Part Number: TK001NB
- Application: GM LS-Series
- Includes: 16 rocker trunnions, 33 trunnion bearings, 34 trunnion clips, 2 assembly washers
- Rocker Bolts: Not included
FAQ
What does the TK001NB trunnion kit include?
It includes 16 rocker trunnions, 33 trunnion bearings, 34 trunnion clips, and 2 assembly washers.
Are rocker arm bolts included with this kit?
No. TK001NB does not include rocker bolts; they must be purchased separately.
What problem does this trunnion kit solve?
It replaces the factory rocker arm trunnion and bearing arrangement, which is prone to failure and limited in travel, with BTR's upgraded components for improved reliability.

