Main Bearings
P4529648 Standard
P4529649 .001 Undersized
P4529650 .002 Undersized
Connecting Rods
P4529209 2.5L & 4.0L
Connecting Rod Bolts
P4529816 2.5L & 4.0L
Connecting Rods
P4529208 Standard
P4529236 .001 Undersized
P4529238 .010 Undersize
Pistons 2.5L & 4.0L
P4529210 .010 Oversized
P5249902 .030 Oversized
P5249903 .060 Oversized
Rings
P4529652 .010 Oversized (2.5L only)
Roller Time Chain & Sprocket Set
P5249519 2.5L & 4.0L
Timing Chain & Sprocket Package
P4529822 2.5L
Gear Drive
P5249009 4.0L (Should work for 2.5L)
Engine Gasket Set
P4529665
Teardown - for 2.5L
Oil Pan Gasket
P4529664 2.5L
2.5L High Performance Crank
P4529646 HP Crank 2.5L (Offroad only)
Vibrations Damper
P4529669 Replacement 2.5L
Damper Attachment Package
P4529677 2.5L & 4.0L
Camshafts:
P4529656
Factory Engineered Hydraulic Cam and Tappet Package for Mild Competition Application 240-240-24* Duration, .430" Valve Lift, 108 Centerline
P4529657
Factory Engineered Hydraulic Cam and Tappet Package for Mild Competition Application 248-248-32* Duration, .440" Valve Lift, 108* Centerline
P4529658
Factory Engineered Hydraulic Cam and Tappet Package for Mild Competition Application 256-256-40* Duration, .450" Valve Lift, 108* Centerline
P4529659
Factory Engineered Hydraulic Cam and Tappet Package for Mild Competition Application 260-260-44* Duration, .460" Valve Lift, 108* Centerline
P4529660
Factory Engineered Hydraulic Cam and Tappet Package for Mild Competition Application 268-268-52* Duration, .480* Valve Lift, 108* Centerline
Tappet
P4529220 Hydraulic Tappet
Push Rods
P4529654 Standard Length
P4529219 Standard Length (Hydraulic)
Push Rod Package (Sets)
P4529674 Standard Length (8)
Race Prepared Head
P4529644 Mildly Ported Cylinder Head Assembly
Head Bolt Set
P4529645 Head Bolt Set (11)
Manifold Attaching Package
P4529679
Intake/Exhaust Manifold Package:
Valves
P4529212 Standard Diameter Intake Valve -Backcut - 2.5L & 4.0L
P4529213 Standard Diameter Exhaust Valve - Backcut -2.5L & 4.0L
P5249879 1.50" O.D. Exhaust Valve -5/16" Stem (Stainless)
P5249880 1.56" O.D. Exhuast Valve -5/16" Stem (Stainless)
Valve Seals
P4529661 Valve Seal Package (8)
Valve Spring
P4529214 Cylinderical
P4529215 Conical
Spring retainers
P4529216 Cylinderical Valve Spring
P4529217 Conical Valve Spring
Rocker Arms
P4529221 Stamped
P452988 Roller Rocker Set (Must use spacer for valve cover clearance) -4.0L
Head Gasket
P4529662
Intake/Exhaust Gasket
P4529663 2.5L
High Performance Air Filter
P5249918 K&N Filter
Exhuast Gasket
P4876110
Clutch Disc & Pressure Plate Set
P5249406 Centerforce Gold
2.5L Jeep Inline 4 Engine
Stage I Engine Package A
* Set timing for Maximum HP
* HP Hydraulic Cam 240" or 248" P4529656-657
* Valve Seal Package P4529661
* Valve Spring - Conical P4529217
* Conical Retainer- P4529217
* Low Restriction Enhaust
* Estimated 10 to 20 hp gain over stock
2.5L Jeep Inline 4 Engine
Stage II Engine Package B
Same as Engine Package A except for the following items:
* HP Hydraulic Cam 256" or 260" P4529658-659
* Centerline Cam with Bushing Kit P3690936
* Backcut Valves P4529212-213
* Richen Carb
* Engine oil Cooler P45292690
* Headers
* Estimate 20 to 30 hp gain over Stage I
2.5L Jeep Inline 4 Engine
Stage III Engine Package C
Same as Engine Package A and B except for the following items:
* Increase C.R.
* HP Hydraulic Cam 268" P4529660
* Ported Head P4529644
* Intake Manifold Attaching Package P4529679
* Good Gas
* HD Rod Bolt and Nut Package P4529817
* Estimated 20 to 30 hp gain over Stage II