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1 center bore
Recommended for street and race use
Year Make Model Submodel 2020-2021 Chevrolet Silverado 1500 Custom Trail Boss 2019-2026 Chevrolet Silverado 1500 High Country 2020-2026 Chevrolet Silverado 1500 LT Trail Boss 2019-2026 Chevrolet Silverado 1500 LTZ 2020-2026 Chevrolet Silverado 1500 RST 2022-2026 Chevrolet Silverado 1500 ZR2 2019-2026 GMC Sierra 1500 AT4 2022-2026 GMC Sierra 1500 AT4X 2019-2026 GMC Sierra 1500 Denali 2022-2026 GMC Sierra 1500 Denali Ultimate 2019-2026 GMC Sierra 1500 SLT 2022 GMC Sierra 1500 Limited AT4 2022 GMC Sierra 1500 Limited Denali 2022 GMC Sierra 1500 Limited SLT
Mishimoto racing thermostats open at a lower temperature compared to OEM
Proform 5/8 Inch Wrench With One 3/16 and One 7/32 Allen Wrench 66781 1985-gmc-k3500-esi5380428 1 center boreThis simple T handle and wrench set makes adjustment very easy, cutting the adjusting time in half. Simply position the adjusting handle wrench over the rocker arm lock down (make sure you have purchased the set with the proper sized wrench), and drop the appropriate T handle down through the hole in the wrench with one hand doing the job of two! Then make the lash adjustment with a feeler gauge according to the camshaft manufacturer's specifications.
