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1981 GMC C2500 Valve Locks

Looking for aftermarket parts to modify or upgrade your 1981 GMC C2500 with valve locks? At Tunersports.com we carry a huge selection of the top name brand performance valve lock parts and accessories.

Valve Lock Parts:

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COMP Cams Valve Lock Sets

IN STOCK - DROPSHIPS 611-12 These Steel Super Locks featuring a lash cap recess, 10°... COMP Cams Super Valve Locks 11/32in 1979-1982 GMC C2500 Sierra Grande 1979-1984 GMC C2500 Base / High Sierra / Sierra Classic $50.69 Details