Manley NexTek GM LS Dual Valve Spring Kit 26361634KS - Tool Steel Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of...

Manley NexTek GM LT4 Dual Valve Spring Kit 2636LT4KS - Ti Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of top-level...

Manley NexTek GM LS Dual Valve Spring Kit 26362334KS - Ti Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of top-level...

Manley NexTek GM LS LT1 Dual Valve Spring Kit 26361734KLS - Ti Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of...

Manley NexTek GM LS Dual Valve Spring Kit 26362134KS - Steel Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of...

Manley NexTek GM LS Beehive Valve Spring Kit 26382538KS - Ti Retainers Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of...

Manley NexTek GM LS Beehive Valve Spring Kit 26382038KS  - 0.650 Max Lift Manley NexTek (Next Generation) Valve Springs were developed over a decade ago and still offer unequaled performance. These durable springs are able to satisfy the demands of...

Wiseco Piston Rings 3780GNX- 3.780 Bore 1.5, 1.5, 3.0mm  

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley valve lock P/N 13098-16 (7°) or 13153-16...

Wiseco Piston Rings 4203GFM - 4.203 Bore 1.2, 1.2, 3.0mm Piston rings are extremely important, and if they're not properly doing their job, your engine will not run at its full potential. Don't let your piston rings be the weak point! These standard...

Wiseco Piston Rings 4188GFM - 4.188 Bore 1.2, 1.2, 3.0mm Piston rings are extremely important, and if they're not properly doing their job, your engine will not run at its full potential. Don't let your piston rings be the weak point! These standard...

Wiseco Piston Rings 4072GFX - 4.072 Bore 1.2, 1.2, 3.0mm Wiseco GF-style piston ring sets have chrome plated, barrel-faced steel top rings. They're backed up by taper-faced, ductile iron second rings and 3-piece oil rings. The oil control rings have a...