BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA;
BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660

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  • Brian Tooley Racing BTR Dual Spring Kit .660" Steel Retainers
  • This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft
  • .660" Lift dual spring kit for LS engines using stock rocker arms.
  • Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals.
  • Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA.
  • Brian Tooley Racing BTR Dual Spring Kit .660" Steel Retainers
  • This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft
  • .660" Lift dual spring kit for LS engines using stock rocker arms.
  • Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and seals.
  • Spring specs are 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130, coil bind @ 1.070" This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA.