Brian Tooley Racing .625 Max Lift Beehive Valve Spring Kit for GM LS

Speedway High Lift Spring Kit, 1.253 Inch O.D., Set/16

Speedway Racing Valve Springs, 1.26 Inch O.D., Set/16

Summit Racing Valve Spring and Retainer Kit 174000

STAGE-4 Dual Valve Springs Set/16 for Chevy BB 396 402 427 454 up to .600 lift

Comp Cams 983J-KIT .450" Lift Valve Springs Kit for 1988-2006 Jeep 4.0L

Comp Cams 983-16 1.250in Valve Springs

660" Dual Valve Spring Kit Titanium Fit For LS 4.8 5.3 5.7 6.0 6.2 LS1 SK001S