Feature
●Whether you have a stock LS motor or a highly modified LS motor, replacing your rockers with a true roller bearing setup is highly recommended. Michigan Motorsports LS1 Rocker Arms with Trunnion Bearings Professionally Installed
●LS1 Rocker Arms have been disassembled and new Trunion Bearings have been professionally installed. LS1 style bolts are included for installation.
●These rocker arms are a must have for any aggressive heads and cam combo.
●We utilize LS rocker arms and install new LS1 rocker arm retro-fit trunion kit that replaces the cageless, loose OEM needle bearings and powdered metal trunion with a premium 8620 steel alloy trunion and caged roller bearings for added durability.
●The caged roller bearings that greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings, which can send loose needles throughout the engine upon failure.
●Fits all these applications: LS1/LS2/LS6/ LR4 Vortec 5300 LM7 L59 LM4 L33 – 4.8/5.3/5.7/6.0/ Engines. Will not fit Rectangle Port/"LS3" Style heads.
●16 LS Series Rocker Arms with Roller Bearing Trunnion Upgrade Installed,16 High Strength Allen head bolts for LS Rockers
Description
Michigan Motorsports LS1 Rocker Arm Kit!
Comes complete with everything needed for a quick and easy install!
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Save your LS!
LS1 Rocker Arm w/ Upgraded Trunnions Installed
Whether you have a stock LS motor or a highly modified LS motor, replacing your rockers with a true roller bearing setup is highly recommended. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings.
LS1 Rocker Arm w/ Stock Trunnions
The stock bearings have a tenancy to fail. The caged roller bearings greatly reduce the possibility of the bearing failure experienced with stock LS1 needle bearings, which can send loose needles throughout the engine upon failure.
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"I have always been impressed with this companys products. Never been disappointed!"
Michigan Motorsports LS Rocker Arm Kits!
 LS1 Rocker Arm Kit |  LS1 Rocker Arms -No Bolts |  LS1 Rockers w/ Pushrods |  LS3 Rocker Arm Kit | |
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Customer Reviews
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Price
| $199.99 | $189.99 | $299.99 | $329.99 |
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Fitment For:
| 99-13 GM LS 4.8, 5.3, 5.7, 6.0 | 99-13 GM LS 4.8, 5.3, 5.7, 6.0 | 99-13 GM LS 4.8, 5.3, 5.7, 6.0 | 99-13 GM LS3 L99 LS9 L76 L92 |
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Upgraded Trunnions
| ✔ | ✔ | ✔ | ✔ |
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Bolts Included
| ✔ | ✘ | ✔ | ✔ |
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7.400" LS Pushrods Included
| ✘ | ✘ | ✔ | ✘ |
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For Complete LS Engine:
| ✔ | ✔ | ✔ | ✔ |