.685″ Lift Dual Spring Kit for LS engines using Limited stock rocker arm setups and Roller Rockers. Includes dual springs, matching titanium retainers, locators for stock guides, locks and seals. Spring specs are 170 lbs @ 1.800″, 380 lbs @ 1.180″, 450 lbs @ 1.115, coil bind @ 1.000″
.660″ Lift Dual Spring Kit for Gen V LT4 engines using stock rocker arms. Includes dual polished springs, matching LT4 specific titanium retainers, LT4 specific locators for stock guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coild bind
.660″ Lift Dual Spring Kit for Gen V engines using stock rocker arms. Includes dual polished springs, matching Gen V specific titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @
This spring kit contains PAC 1208X Dual Valve Springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks, and seals. Spring Specs are 160 lbs @ 1.800″, 482 lbs @ 1.100″, Coil Bind 1.000″, Max Lift .750″ This is a drop in spring kit for
This spring kit contains PAC 1207X Dual Valve Springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks, and seals. Spring Specs are 155 lbs @ 1.800, 436 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit
This spring kit contains PAC 1206X Dual Valve Springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks, and seals. Spring Specs are 145 lbs @ 1.800, 411 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit
This spring kit contains PAC 1204X Dual Valve Springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks, and seals. Spring Specs are 145 lbs @ 1.800, 385 lbs @ 1.150, Coil Bind 1.000″, Max lift .700″ This is a drop in spring kit
.650″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes PAC 1905 dual valve springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring Specs are 170 lbs @ 1.780, 420 lbs @ 1.130, Coil Bind 1.020″, Max lift .650″
.650″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes PAC 1905 dual valve springs, matching steel retainers, your choice of locators for stock or bronze guides, locks and seals. Spring Specs are 170 lbs @ 1.780, 420 lbs @ 1.130, Coil Bind 1.020″, Max lift
.650″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes PAC 1904 dual valve springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring Specs are 155 lbs @ 1.780, 400 lbs @ 1.130, Coil Bind 1.030″, Max lift
.650″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes PAC 1904 dual valve springs, matching steel retainers, your choice of locators for stock or bronze guides, locks and seals. Spring Specs are 155 lbs @ 1.780, 400 lbs @ 1.130, Coil Bind 1.030″, Max lift
.660″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coild bind @ 1.070″ This
.650″ Lift Dual Spring Kit for LS engines using roller rocker arms, or track only applications using stock rockers. Includes springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring specs are 150 lbs @ 1.800″, 420 lbs @ 1.200″ 450 lbs @ 1.150″
.660″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching titanium retainers, your choice of locators for stock or bronze guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coil bind @
.660″ Lift Dual Spring Kit for LS engines using stock rocker arms. Includes dual polished springs, matching chromoly steel retainers, locators of your choice for stock or bronze guides, locks and seals. Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coil bind
