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  • Engine Packages
    • 4.6 Stroker Jeep/AMC "300HP" Engine Package
    • 4.6 Stroker Jeep/AMC "Torque Monster" Engine Package
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Email: [email protected] or call us at the Shop(704)-454-5749
  • "300HP" LS Converted Stock Casting Cylinder Head Package

"300HP" LS Converted Stock Casting Cylinder Head Package

SKU: 300HP-Head
$2,050.00
$1,895.00
$1,895.00
On Sale
Unavailable
per item

We have been planning this package for years and finally made it a reality for our budget minded customers. This is is our standard "300HP" package head and the budget head that made us look good on Youtube, but we made some key upgrades along the way.


For starters, we utilize a stock casting head that has been stripped, baked, blasted, guides fit to size, hardened exhaust seats, LS converted Stainless Steel 2.02"/1.60", Competition valve job, Spring seats machined for increased lift capacity, outfitted with a top quality LS valve train, Viton valve seals, milled, bowl blended, cleaned and assembled. The only difference in this head vs our competition head is full porting and balanced chambers.


What does all of this mean, now you will have a factory head that can run multiple valve spring options, that can run any cam with lift with capabilities over .600"(Factory is .460") with the ability to make over 300hp on a 4.0-5.0 liter engine. Depending on your build specs, displacement/compression/cam/etc, power output is typically 290-340hp/300-370tq.


***NO CORE REQUIRED***

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  • Home
  • Engine Packages
    • 4.6 Stroker Jeep/AMC "300HP" Engine Package
    • 4.6 Stroker Jeep/AMC "Torque Monster" Engine Package
    • 4.6 Stroker Jeep/AMC "High Octane" Engine Package
    • 4.8 Jeep/AMC Stroker "Mega Torquer"
  • Newcomer Racing Parts
    • Power Items
      • Billet Roller Cam Kits
      • Mega-Torquer Stroker Rotating Assembly Kit
      • AMC/JEEP Stroker 3.895" 12cw Crank
      • 4.0/4.2 Lightweight Roller Rocker Arm Kits(1.6/1.7/Fixed/Adjustable).
      • Billet Valve Cover Spacer Kit
      • Billet Valve Cover Retainers
      • Billet Thermostat Housing
      • Jeep 4.0 CNC Competition Head
      • Jeep 4.0 Competition Head
      • "300HP" Head Package
      • ARP Int/Exh SS Winged Washer Bolt Kit
      • ARP Int/Exh SS Winged Washer Stud Kit
      • Copper Intake/Exhaust Gasket
      • BUNDLE PACKAGE
      • Block-off Plate
      • Billet 1/2" Aluminum 4.0 Jeep Intake Flanges
      • 1/2" 304 Stainless Steel Revised Header Flange
      • American Racing Jeep 4.0 Headers
      • 70mm "Wide mouth" Throttle Body
      • Port Matched 70mm 4.0 Jeep Intake Manifolds
      • Port Matched Intake & Throttle Body Package
      • Sheet Metal Plenum Intake
      • ATI 4.0/4.2 Jeep AMC Damper Kit
      • Billet Crank Spacer
      • Engine Lift Bracket
      • Racing T-shirts
  • Random New/Used Parts Page
  • Decals & Apparel
    • "Record Breaker" T-shirts
    • Decals
    • Hats
  • Pulsar Turbos
  • 2025 Sponsors
  • Warranty
  • Contact Us
  • Happy Customers
  • History