Providing the best sealing properties and spring clearance, viton valve seals are an excellent choice in performance applications. The 521 seal has a .545" OD and fits applications with 3/8" valves and .500" OD guides.
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Sorry we do not have fitment information available for this part number. Contact us for any fitment questions. | |||||
$28.66
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IN STOCK - LOW Supertech VS-T5.5I-6Supertech Valve Stem Seals Supertech Toyota G16E-GR Intake Valve Stem Seal - Set of 6 $29.52
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For more information on COMP Cams part number 521-1, you can visit the official COMP Cams website.