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Valvetrain

Dual Spring Valve Springs

This is a dual coil spring with damper measuring 1.437" outside diameter and .630 ID. The seat pr...

This is a dual coil spring with damper measuring 1.437" outside diameter and .630 ID. The seat pressure is 140lbs at an installed height of 1.750" and open pressure is 335lbs at 1.150". Max lift is .625". This spring works great for our ZZ9x, ZZ10, ZZ409, and ZZx line of camshafts. Choose our 6.SPS500 spring seats and our 6.RET500 steel retainer for the low-cost option or our 6.RET505 Titanium retainer for optimum high rpm performance. Sold as a set of 16.

$129.95

Hardened Spring Seats

Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set o...

Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set of seats are specifically for our 6.VSP500 valve springs. Set of 16. O.D. 1.535" I.D. .575" Thickness .060"

$49.95

Hardened Spring Seats

Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set o...

Premium hardened spring seats made of 4130 chrome moly steel and black oxide finished. This set of seats are specifically for our 6.VSP515 valve springs on L98 and LT1 engines. Set of 16. O.D. 1.300" I.D. .565" Thickness .060"

$49.95

Beehive single springs

Beehive springs reduce the mass near the tip of the valve for a lighter valvetrain and higher rpm...

Beehive springs reduce the mass near the tip of the valve for a lighter valvetrain and higher rpm. This single spring beehive is a stock diameter of 1.290" and an ID of .885". At an installed height of 1.800" it has 130lbs on the seat and 325lbs at 1.200". Coil bind is at 1.100" and maximum lift is .625". A great spring for our LS series of cams from the ZL9 to the ZL12x. Uses stock retainers and spring seats. Sold as a set of 16.

$165.95

Stock Dia. Dual Springs

These silicon vanadium constructed springs are stress relieved and fully polished for maximum lon...

These silicon vanadium constructed springs are stress relieved and fully polished for maximum longevity. 155lbs on the seat at 1.800" installed height and 405lbs @ 1.150" with coil bind at 1.100" and max lift is .650". This dual spring has a stock LS outside diameter of 1.295" to fit all the LS heads. Choose the 6.SPS515 spring seat for this spring and the 6.RET515 titanium retainer for SBC engines and the 6.RET520 titanium retainer for the LS engines. This spring is great for our ZZx and ZZ...

$209.95

Flat Tappet Valve Springs

Made for our 276/286 and 280/280 Hyd. flat tappet camshafts, this single spring with damper has a...

Made for our 276/286 and 280/280 Hyd. flat tappet camshafts, this single spring with damper has an OD of 1.250" and an ID of .880". The seat pressure is 110lbs @ 1.750" installed height ans an open pressure of 285lbs @ 1.250". Coil bind is at 1.200" and max lift is .500" This spring works with our 6.SPS510 spring seat and our 6.RET510 Ultra Light steel retainer. Sold as a set of 16.

$99.95

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