JEEP STROKER ENGINE TITAN 258 4.2L Replacement 242 4.0

This stroker is built as a replacement for your 258 powered CJ or Wrangler. It will have a full length crank snout (for V belts) or short crank snout for serpentine. You will have to use an electric fuel pump, a 4.0 header and a 4.0 carburated intake and carb (450 cfm or better).

High Performance 258 Engine Build Specifications
*Jeep 242 block
*Crankshaft Machined vertical oil clearance set at .002
*Connecting Rods Shot Peened, Reconditioned and Weight Matched
*5 angle Valve Job with 1.820 intake, 1.50 exhaust Valves
*Hyper Pistons with Moly Rings
*.420/.420 Lift 208 @ .050 110/114 centerline
*Single Tru-Roller Timing Set
*.043 Head Gasket
*Sims Tested to check compression, engine drag and adjustment . This item has an added core charge. The price tag includes a refundable core amount of $ 350 .