Looking for aftermarket parts to modify or upgrade your 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 710-1Valve springs with larger diameters require retainers to handle the higher pressures developed by the springs. COMP Cams Steel retainers are the perfect solution. This 7°... COMP Cams Steel Retainer 3-Valve Ford 4 1996-2000 GMC C3500 Sierra SL / Sierra SLE / Sierra SLT $32.67 |
IN STOCK - DROPSHIPS 744-1Lock Angle - 3/8" Valve Stem Size - 1.320" Spring Diameter.... COMP Cams Steel Retainer 3/8in 1.437in 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic 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 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE 1994-1995 GMC C3500 Sierra SL / Sierra SLT $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 1994-1995 GMC C3500 Sierra SL / Sierra SLT $356.44 |
IN STOCK - DROPSHIPS 26981-12With a .525" maximum lift, these Beehiveâ„¢ Valve Springs were designed for hydraulic or Solid flat tappet as well as hydraulic Roller cams. They work in most Small Block Chevy heads with no machining. COMP Cams Beehiveâ„¢ Valve Springs deliver increased valve train stability and a much ligh... COMP Cams Valve Springs 1.240in Beehive 1979-1980 GMC C3500 Base / High Sierra / Sierra Classic / Sierra Grande $199.76 |
IN STOCK - DROPSHIPS 981-12Single Outer Valve Springs from COMP Cams allow you to build the perfect spring assembly for your application. The valve spring creation process is far more involved than most people realize. Selecting the right Metal stock and creating the best design is not done by chance. COMP Cams has developed ... COMP Cams Valve Springs 1.250in Outer 1979-1980 GMC C3500 Base / High Sierra / Sierra Classic / Sierra Grande $101.26 |
SHIPS FROM MANUFACTURER 986-12COMP Cams Valve Springs For 984-974 1979-1980 GMC C3500 Base / High Sierra / Sierra Classic / Sierra Grande $110.44 |

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 1994-1995 GMC C3500 Sierra SL / Sierra SLT $51.88 |
SHIPS FROM MANUFACTURER 924-1COMP Cams Valve Spring For 920-974 1980-1982 GMC C3500 Sierra Grande 1980-1986 GMC C3500 Base / High Sierra / Sierra Classic 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1999 GMC C3500 Sierra SLE 1994-1999 GMC C3500 Sierra SL / Sierra SLT $37.37 |