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Michigan Motorsports Gen V/LT Rocker Arm Trunion Upgrade Kit - Specific to Gen V LT1 LT4 LV3 L83 L86

4.7 (2) Write Review
Free shipping on orders over $29.99

$105.99

$ 47 .99 $47.99

In Stock
  • Michigan Motorsports Rocker Arm Trunion Kit - Specific to Gen V LT1 LT4 LV3 L83 L86
  • These LS Series retrofit trunion kits are designed to convert stock LS Series rocker arms into captured roller bearing rocker arms. The factory bearings are a known failure on the LS Engines. When they fail they send small bearings through the entire engine. The upgraded trunions use a captured roller bearing allowing for a reliable smooth rotation.
  • The upgraded trunions also give more stability at higher RPM. We use these trunion kits in anything from stock 4.8's all they way up to 1,000+hp turbo motors.The stock factory LS rocker arms are very strong and very light.
  • Once you upgrade the bearings and trunions the rocker arms handle similar to very expensive roller rocker arms (at a fraction of the cost). These are a must have for anyone installing a aftermarket Cam, Supercharger, Turbo or Nitrous.
  • The Kit includes the rocker arm trunions, rocker arm bearings, and rocker arm retaining rings and upgraded bolts for a complete installation. The bolts we supply are slightly shorter than factory bolts so they do not protrude into the intake ports. Bolts are stronger than a grade 8 bolt with a minimum tensile strength of 170,000 psi.


Kit Includes- 16 rocker arm trunions 32 rocker arm bearings 32 rocker arm retaining rings 16 upgraded bolts 2 washers for pressing bearings Installation is fairly simple with the use of a press or a simple vise along with basic hand tools. Instructions are included to aid in the installation.


Old truck
Reviewed in the United States on March 31, 2021
Very easy to use. Installing new bearings in rocker arms went very smoothly. Just be sure to check length of new bolts with length of original bolts. In my case I had to use original bolts.
lt1z350
Reviewed in the United States on June 24, 2020
good product for the money so far so good no issues and goes togther easy
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