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Mast Motorsports Valve Spring Kit Dual LS Valve Spring Kit 0.660 Lift - Aftermarket 5/16 Valve
Mast Motorsports Valve Spring Kit Dual LS Valve Spring Kit 0.660 Lift - Aftermarket 5/16 Valve
Mast Motorsports Valve Spring Kit Dual LS Valve Spring Kit 0.660 Lift - Aftermarket 5/16 Valve
$ 275.00

$ 300.00

Dual LS Valve Spring Kit 0.660 Lift - Aftermarket 5/16 Valve

+

Only left in stock

Premium Dual Polished Valve Spring & Titanium Retainer Kit

  • Complete Cylinder Head kit (Set of 16)
  • Dual LS Valve Spring rated for up to 0.660" Valve Lift
  • Titanium Retainer Manufactured from USA 6AL4V titanium
  • Valve Spring Seat Seal Combination
  • Works with OE Guide 0.500" or 0.575" Aftermarket Valve Guide
  • This kit utilizes Machined Locks for 5/16" Aftermarket Valve
  • Tested and Batch Validated in house on our Spintron

Spring Information

  • Spring Configuration - Dual
  • Inner Spring ID - 0.680"
  • Spring OD - 1.310
  • Installed Height - 1.800
  • Installed Load - 160
  • Open Load @ 0.600 Lift - 392 lbs
  • Open Load @ 0.650 Lift - 415 lbs
  • Rated Valve Lift 0.675 Max
  • Spring Rate - 403#/in
  • Coil Bind - 1.015"
  • Material Oteva 96 SC - Superclean Wire
  • REM Isotropic Finishing

OTEVA® 96 SC PLUS is intended for manufacture of valve springs and other springs requiring extremely high fatigue properties and good relaxation properties at increased working temperatures.