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Availability: Build to Order
Item #: RB25 H STG 3 HV-B NEO -
Fully built NEO cylinder head loaded with all the right upgrades. This package replaces the factory buckets with Supertech buckets, features custom Ferrea valves, and is completed with Kelford cams and valve spring kit. Built for strength, reliability, and serious performance, this is the ultimate NEO cylinder head package—ready for high RPM and high horsepower applications. Labor:DisassembleSand BlastRemove/Drill/Tap/Replace Oil Port PlugsStage 3 CNC Port and ChamberCNC Cam ClearancingMachine...
Availability: Build to Order
Mazworx Racing Engines
Item #: RB26 H STG 3 -
This head package is designed for engines making over 1000hp. The intake and exhaust ports are CNC ported and opened up to match the +1mm valves. Combustion chambers are CNC machined to match an 87mm bore and can be either fully opened up or stay with the quench pads. Here's a break down of the head. Labor:DisassembleSand BlastRemove/Drill/Tap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsStage 3 CNC Port and ChamberRemove, Reinstall, Ream Valve GuidesValve Job,...
Availability: Build to Order
Mazworx Racing Engines
Item #: RB25H STG 2 -
This head package is designed for engines making 800hp. The intake and exhaust ports are CNC ported and opened up to match the +1mm valves. Combustion chambers are CNC machined to match an 87mm bore. Here's a break down of the head. Labor:DisassembleSand BlastRemove/Drill/Tap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsStage 3 CNC Port and ChamberNotch for Cam ClearanceMachine for RB26 Head StudsRemove, Reinstall, Ream Valve GuidesValve Job, RaceSet Valve LashResurface...
Availability: Build to Order
Mazworx Racing Engines
Item #: RB26 H STG 1 -
This head package is designed for engines making 600hp. The intake and exhaust ports are hand ported and blended to match the standard size valves. Here's a break down of the head. Labor:DisassembleSand BlastRemove/Drill/Tap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsBlend Seat/BowlRemove, Reinstall, Ream Valve GuidesValve Job, RaceSet Valve Lash Resurface HeadAssemble HeadParts:Supertech Intake Valves, StdSupertech Inconel Exhaust Valves, StdSupertech Bronze...
Availability: Build to Order
Mazworx Racing Engines
Item #: RB26 H STG 2.5 -
This head package is designed for engines making 1000hp. The intake and exhaust ports are CNC ported and opened up to match the +1mm valves. Combustion chambers are CNC machined to match an 87mm bore and can be either fully opened up or stay with the quench pads. Here's a break down of the head.Labor:DisassembleSand BlastRemove/Drill/Tap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsStage 3 CNC Port and ChamberRemove, Reinstall, Ream Valve GuidesValve Job, RaceSet...