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Speedway Motors Bill Smith

Rocker Arm 3/8 Inch Poly Locks


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Please NOTE the following about this product:

  • This item is sold as a set.



Q & A

What's in the Box

These Poly Lock 3/8" Set of special heat treated and plated 3/8" thread sure-lock nuts are supplied with an allen wrench. Set of 16.  5/8" Hex.  For use with stock style rocker arms.  .600 Diameter.

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Valve Lash Rocker Adjusting Wrench, 5/8 Inch w/ 3/16 and 7/32 In. T-Wrenches

These valve lash adjusting wrenches make adjustment very easy, cutting the adjusting time in half. Simply position the adjusting handle wrench over the rocker arm lockdown, and drop the appropriate T-handle down through the hole in the wrench--with one hand doing the job of two.

Two part steel tool makes it easy to accurately adjust your rockers.  Each tool comes with two T-handle wrenches.

Valve Lash Rocker Adjusting Wrench, 5/8 Inch w/ 3/16 and 7/32 In. T-Wrenches