Mazworx Racing Engines

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...

This is our entry level RWD VVL converted long block setup for Daily/Street use. Everything is refurbished and/or replaced with upgraded parts. The head is setup with shimless valves and mild 184-LT cams.  This motor is rated up to 600hp. Before delivery, the motor is spun and primed with break in oil.P12 (8H6) head will get the external oil line.  P11 (1N5) heads will get the single solenoid conversion kit.Shown with optional billet valve cover.  Stage 2.3V Short...

2.4ltr Drag NA92mm x 92mmStage 4V Short Block, FWD VE Labor:Disassemble Short BlockHot Tank/CleanSand Blast BlockRemove/Retap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsSleeve InstallResize CylindersUse Torque Plate During HoningStep DeckResize Line BoreClean, Check, Polish, Balance CrankAssemble Short Block Parts: Custom X-Forged Lightweigh CP Pistons, 92mm 14.5:1 CRR&R Alum Rods (Increased Length)ACL Race BearingsOil Pump, SR20VEDarton Dry SleevesMazworx SR20 Main Stud KitMazworx...

Labor:Hot Tank/CleanSand Blast/Paint Block, IronPort Center Coolant PassageMachine for Threaded Oil Port PlugsMachine for Threaded Freeze PlugResurface Block, VResize Cylinder w/ Torque PlateResize Line BoreClean, Check, Polish, and Balance Crank w/ BobweightsAssemble Short Block Parts:CP Pistons, 87.5mm 8.5:1 CR, Upgraded Wrist Pins 9310, .200" WallCarrillo Pro-H Beam Rods, CARRACL Race BearingsMazworx Threaded/Oringed Small PlugsMazworx Threaded/Oringed Freeze Plug KitMazworx Billet Main...

Our Stage 2 engine package is designed for engines making 600-800 hp. ***Stage 2 Short Block***Labor:Disassemble Short BlockHot Tank/CleanSand Blast/Paint Block, IronMachine for Threaded Oil Port PlugsMachine for Threaded Freeze PlugResurface Block, InlineResize Cylinder w/ Torque PlateHone Line BoreInstall Oil Pump Collar on Crank (If needed)Clean, Check, Polish, Balance CrankAssemble Short BlockParts:CP Pistons, 86.5mm x 9:1 CRUpgraded Wrist Pins 9310, .250" WallManley Turbo Tuff RodsACL...

Here at Mazworx, we can prep your block to your specifications. Utilizing our CNC capabilities and state-of-the-art equipment, you can ensure that the machining process is done properly. For more understanding of our process, see the additional information section. The Stage 2 package is designed for DIY engine builders that want a high performance street/strip upgrade. This will be good for and engine making up to 1200hp. Hot Tank Cleaning:Wash your block to get oil and grim off.Sand Blast...

SR20VE Heavy duty piston set rated to 1200hp.  Bore sizes start at 89mm for 91mm stroke.  Made from CP's heavy duty forging. 10:1 CRLateral Gas PortedSkirts Coated9310 Heavy Duty Wrist Pins, .250" Wall   

The ultimate package for drifting applications making up to 800+ whp.   High Response DriftStage 3.2V Short Block Labor:Hot Tank/CleanSand Blast BlockRemove/Retap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsPlug RWD Oil DrainMachine for 1/2" StudsSleeve InstallResize CylindersUse Torque Plate During HoningStep DeckResize Line BoreOil Groove Machining, SR2019mm Rod Bearings MachiningBalance CrankAssemble Short BlockParts:CP Pistons, 89mm 9:1 CR, Upgraded Wrist Pins .250"...

Next level past the Stage 1.5 full performance build of your SR20 long block.  Everything is refurbished and/or replaced with upgraded parts.  This motor is rated up to 600hp.  Before delivery, the motor is spun and primed with break in oil. Stage 2 Short BlockLabor:Disassemble Short BlockHot Tank/CleanSand Blast BlockRemove/Retap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsSleeve InstallResize CylindersUse Torque Plate During HoningStep DeckResize Line BoreOil Groove...

Our VQ35DE Stage 2 Turbo Short Block is designed to handle up to 800hp reliably. After 800hp, the blocks become very unreliable.  Below is the specs we build this engine to. Labor:Disassemble Short BlockHot Tank/CleanSand Blast BlockDarton MID Sleeve InstallStep Deck Block, VResize Cylinder w/ Torque PlateResize Line BoreBalance Crank with BobweightsAssemble Short Block Parts:Diamond Racing Pistons, 96mm 9.5:1 CR w/ Upgraded Wrist PinsManley Turbo Tuff Connecting RodsDarton...

Labor: Remove/Drill/Tap/Replace Oil Port PlugsRemove/Replace Freeze PlugsStage 3 CNC Port and ChamberRemove, Reinstall, Ream Valve GuidesValve Job, RaceSet Valve Lash Resurface HeadsAssemble HeadsParts:Supertech Intake Valves, +1mm SizeSupertech Inconel Exhaust Valves, +1mm SizeSupertech Bronze Valve GuidesSupertech Dual Valve Spring Kit, 70lbs Intake/60lb ExhaustSupertech Valve SealsJWT C2 Exhaust Cams, 272 11.7mm LiftMisc PlugsNeed:Core Heads ...

Basic full performance rebuild of your SR20 long block.  Everything is refurbished and/or replaced with upgraded parts.  This motor is rated up to 400hp.  Before delivery, the motor is spun and primed with break in oil. Stage 1.1 Short BlockLabor:Hot Tank/CleanSand Blast BlockRemove/Retap/Replace Oil Port PlugsMachine for Threaded Freeze PlugsResize CylindersUse Torque Plate During HoningResurface DeckHone Line BoreOil Groove Machining, SR20Clean, Check, Polish, Balance...