The "350HP" is the next step up the ladder to more performance out of your 4.0 based Jeep/AMC motor. This combo features a more aggressive cam profile to give that "Lopey/Rowdy" idle
2003 Jeep Grand Cherokee 4.0L Engine Rebuild Kit RCJ242FP -7
Jeep 4.0 Valve Cover Perimeter Grommet 7075 Billet Retainer Set(15 piece Raw or Black Out).
Stroker
Jeep 4.0 Stage 2 Performance Camshaft Kit
Eastwood Jeep 4.7 Stroker Engine 205HP 1987-1990 Base - Eastwood
Titan Engines - TITAN'S THINGS TO KNOW! We have Stroker Upgrade Kits for your Jeep! They include items such as: Hastings Rings New TITAN Stroker Cylinder Head (for 1991 and newer models,
AMC-150LB
Exhaust Header System for 2000-2006 Jeep Wrangler 4.0L, 2000-2001 Cherokee and 1999-2001 Grand Cherokee [51306] – Banks
Big Power Jeep Straight Six Stroker Build on a Budget with Newcomer Racing - YouTube