Looking for aftermarket parts to modify or upgrade your 1990 GMC C3500 with valve springs, retainers? At Tunersports.com we carry a huge selection of the top name brand performance valve springs, retainer parts and accessories.

IN STOCK - DROPSHIPS 744-1Lock Angle - 3/8" Valve Stem Size - 1.320" Spring Diameter.... COMP Cams Steel Retainer 3/8in 1.437in 1988-1993 GMC C3500 Sierra $32.65 |
IN STOCK - DROPSHIPS 744-16Lock Angle - 3/8" Valve Stem Size - 1.320" Spring Diameter.... COMP Cams Steel Retainers 3/8in 1.437in 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $111.33 |

IN STOCK - DROPSHIPS 26055-16With a .640" maximum lift, these Beehive Valve Springs were designed for high end Solid flat tappet and hydraulic Roller cams. They have great for high performance street and oval track capabilities, and are also good for endurance Applications.... COMP Cams Valve Springs 1.585in Beehive 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $356.44 |

IN STOCK - DROPSHIPS 26055-1With a .640" maximum lift, these Beehive Valve Springs were designed for high end Solid flat tappet and hydraulic Roller cams. They have great for high performance street and oval track capabilities, and are also good for endurance Applications.... COMP Cams Valve Spring 1.585in Beehive 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $51.88 |
SHIPS FROM MANUFACTURER 924-1COMP Cams Valve Spring For 920-974 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1999 GMC C3500 Sierra SLE $37.37 |