Pro LS Valve Springs, Drop in, 0.600 Max Lift, Single Beehive, 1.290 in. O.D., 310 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16

Part Number: SUM-174004

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Valve Spring Upgrade Kit, 1.300 OD Dual Springs, Retainers/Locks, Seals, All GM LS LS1, LS2, LS3, LS7, LSA, LS9, LQ4, LQ9, L92, L76, LY6

Part Number: SME-174003

4.0 out of 5 stars ( 17 )

Estimated Ship Date: Today

• Free Shipping

Valvetrain Upgrade, Chevy, 4.8, 5.3, 5.7, 6.0L, Kit

Part Number: SME-K-14300

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Engine Assembly Lubricant, 4 oz., Each

Part Number: SUM-LUBE4OZ

4.43 out of 5 stars ( 7 )

Cannot be shipped Internationally

• Restricted

Camshaft Assembly and Break In Lubricant, Extreme Pressure, Molybdenum Disulfiide, 0.625 oz. Packet, Each

Part Number: SUM-CAMLUBE625

5.0 out of 5 stars ( 8 )

Cannot be shipped Internationally

• Restricted