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Manley Severe Duty 8mm x 1.560 L83 5.3L Exhaust Valves Stainless 12361-8 The Severe Duty® series of valves is the Manley signature in the performance and racing industry. Exhaust material XH-428 and intake material NK-844 is offered by no competitor...

Manley LS1/LS2/LS6 Severe Duty Stainless 8mm x 2.055 Intake Valves 11680-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley LS7 Severe Duty Stainless Hollow Stem 8mm x 2.205 Intake Valves 11688H-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and...

Manley LS7 Severe Duty Stainless 8mm x 2.205 Intake Valves 11688-8 Manley is known as one of the leading manufacturers of Racing Valves in the world. Manley Racer Series Stainless Steel Valves were engineered for Street Performance and Racing...

Manley Titanium 8mm x 2.205 LS7 Intake Valves These valves have an inserted hard tip except P/N 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...

Manley Titanium 8mm x 2.205 LS7 Intake Valves w/ CrN Seat Coating These valves have an inserted hard tip except P/N 11958BC-8 These valves have an O.E. style single radius keeper groove. “C” suffix indicates CrN seat coating Use Manley...

Manley Total Seal Piston Rings 46118GT-8 - 4.080" Bore 1.5, 1.5, 3.0mm Manley Performance Products, Inc., offers High Performance Piston Rings to compliment our line of Platinum Series Pistons. Manley stocks conventional style piston ring sets and...

MSD Atomic AirForce 103mm LS7 Intake Manifold 2701 Performance Polymer Intake Manifold for GM LS7 Engines The MSD Atomic AirForce intake manifold delivers improved airflow and distribution to improve the performance of stock and modified engines. The...

BLASTER LS COIL FOR '99-'07 GM L-SERIES TRUCK, 8-PACK The improved efficiency of these Blaster Coils will give your LS the ignition boost you’re looking for. Looking to replace your worn out LS coils with a more efficient upgrade? The new MSD...

MSD Blaster LT Gen V Coils 826638 - '14 and Up 8-Pack 2014 and up GM owners now have a more powerful ignition option for Gen V Direct Injected V8 power plants. MSD offers Blaster coils in both round and square configurations to cover everything from...

MSD Blaster LT Gen V Coils 82668 - '14 and Up 8-Pack 2014 and up GM owners now have a more powerful ignition option for Gen V Direct Injected V8 power plants. MSD offers Blaster coils in both round and square configurations to cover everything from...

MSD Circle Track GM LS Ignition Control 6014CT MSD 6014CT is built pre-programmed for GM CT525 Crate Engines with a pre-set spark curve and rev limit. It is also laptop programmable for use with other performance LS engines.   Features: Works with...