TA Performance offers replacement or heavy duty shafts for use with stock rockers. Stock shafts are of the same material and quality as original equipment pieces and are sold individually. Our Heavy Duty upgrade shafts incorporate 30% thicker walled shafts with 17% more material around the bolt locations for a considerably stronger piece, these are sold in a kit which includes 2 shafts and replacement nylon buttons.

 
Heavy Duty vs Stock Shafts

Shaft Thickness (more is better)

• Heavy Duty - .235"
• Stock - .165"

Bole Hole Diameter (less is better)

• Heavy Duty - .340"
• Stock - .412"