4.1 Jeep JK Stroker Kit

COMPLETE 3.8/4.1L Jeep STROKER  JK KIT 285hp/310tq power 2007-2011

Performace parts: stage 1, 2, 3, 4, or 5 torque monster camshaft

3.650 stroke crankshaft  (plus .250 stroke) balanced

Cusom forged pistons .030 or .060 pistons 10:1 compression

H-Beam Rods, ACL race bearings all gaskets, lifters, freezeplugs, acl rod/main bearings, cam bearings, cloyes custom timing set. 

Mellings oil pump valve spring kit

Stage 1 Cam - best torque camshaft, large tires, cruise RPM 1600 no gearing, works best with automatic

Stage 2 Cam - best torque camshaft at 1800, vehicle should have gearing and 33-37" tires, works best with auto

Stage 3 Cam - best mid-range cam, cruise 2000rpm, needs gearing, tires 33-40" tires, standard or auto

Stage 4 Cam - good mid-range high rpm power, 2400 cruise, gearing and standard recommended or converter, tuning required.

Stage 5 Cam - custom camshaft supercharged or turbo - tuning required


4.1 Jeep JK Stroker Kit
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  • Item #: 4.1-STROKER
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Price $3,250.00