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ProMaxx Performance Products CHR640NB ProMaxx Performance Cylinder without Valvetrain for 91-04 Jeep Wrangler YJ, TJ, TJ Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0 L
ProMaxx Performance Products
$759.00Description Learn More Specs Fitment Restore horsepower, compression and fuel economy to that tired engine with one of our factory replacement heads. Matches original performance flow. Cast # 0331, 0630 & 7120. These are the only NEW Jeep®...$759.00 -
Crown Automotive 6035516 Cylinder Head Bolt for 87-06 Jeep Wrangler YJ, TJ & Unlimited; 87-01 Cherokee XJ & Comanche MJ and 93-04 Grand Cherokee ZJ & WJ with 2.5L or 4.0L Engine
Crown Automotive
$3.59Description Learn More Specs Fitment Double Ended Head Bolt Measures 1/2"-13/ 7/16"-14 x 6" Long Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: Less than an hour Parts Included 1 Cylinder Head Bolt Warranty 12...$3.59 -
Crown Automotive 6035514 Cylinder Head Bolt for 81-06 Jeep CJ, Wrangler YJ, TJ & Unlimited; 87-01 Cherokee XJ and 93-04 Grand Cherokee ZJ & WJ
Crown Automotive
$2.69Description Learn More Specs Fitment Measures 1/2"-13 x 3.7" LongFor 2.5L 4-Cylinder and 4.0L & 4.2L 6-Cylinder Engines Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: Less than an hour Parts Included 1 Cylinder Head...$2.69 -
Crown Automotive 4397776K Crankshaft Main Bearing Set for 93-98 Jeep Grand Cherokee ZJ with 5.2L 318c.i. 8 Cylinder Engine
Crown Automotive
$67.99Description Learn More Specs Fitment Standard set contains #1, 2, 3, 4 & 5 bearings. Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included1 Crankshaft Main Bearing SetWarranty 12 month / 12,000...$67.99 -
Crown Automotive Engine Piston Ring Set for 97-06 Jeep Wrangler TJ; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ with 4.0L 6 Cylinder Engine
Crown Automotive
$91.99 - $113.99Description Learn More Specs Fitment Piston Ring Set;Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 4-6 hours Parts Included1 Engine Piston Ring SetWarranty 12 month / 12,000 Mile Limited Warranty. : 4.0L I-6:...$91.99 - $113.99 -
Crown Automotive 4713439 Valve Lifter for 93-98 Jeep Grand Cherokee ZJ with 5.2L 318c.i. or 5.9L 360c.i. 8 Cylinder Engine
Crown Automotive
$32.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 2-4 hours Parts Included1 Valve LifterWarranty 12 month / 12,000 Mile Limited Warranty. Jeep Grand Cherokee (ZJ)1998 Jeep Grand...$32.99 -
Crown Automotive 2421305K Engine Connecting Rod Bearing Set for 93-98 Jeep Grand Cherokee ZJ with 5.2L 318c.i. or 5.9L 360c.i. 8 Cylinder Engine
Crown Automotive
$66.99Description Learn More Specs Fitment Standard set of 8. Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included1 Engine Connecting Rod Bearing SetWarranty 12 month / 12,000 Mile Limited Warranty. ...$66.99 -
Crown Automotive 83500301K6 Undersize Connecting Rod Bearing Set for 75-06 Jeep CJ, Wrangler YJ & TJ; 93-04 Grand Cherokee ZJ & WJ and 87-01 Cherokee XJ & Comanche MJ with 6 Cylinder Engine
Crown Automotive
$43.99Description Learn More Specs Fitment .010" Undersize Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included 6 Bearing Sets Warranty 12 Month/12,000 Mile Limited Warranty. Features:...$43.99 -
Crown Automotive 2421309K .010" Under Size Connecting Rod Bearing Set for 93-98 Jeep Grand Cherokee ZJ with 5.2L 318c.i. or 5.9L 360c.i. 8 Cylinder Engine
Crown Automotive
$67.99Description Learn More Specs Fitment Set of 8. Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included1 .010" Under Size Connecting Rod Bearing SetWarranty 12 month / 12,000 Mile Limited Warranty. ...$67.99 -
Crown Automotive 4740259 Piston Ring Set for 1998 Jeep Grand Cherokee ZJ with 5.9L 360c.i. 8 Cylinder Engine
Crown Automotive
$156.99Description Learn More Specs Fitment For 8 Pistons. Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 4-6 hours Parts Included1 Piston Ring SetWarranty 12 month / 12,000 Mile Limited Warranty. Jeep Grand Cherokee...$156.99 -
Crown Automotive 4720727 Piston Ring Set for 93-98 Jeep Grand Cherokee ZJ with 5.2L 318c.i. 8 Cylinder Engine
Crown Automotive
$83.99Description Learn More Specs Fitment For 8 Pistons. Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included1 Piston Ring SetWarranty 12 month / 12,000 Mile Limited Warranty. Engine Size: 5.2L...$83.99 -
Crown Automotive 83507079K Main Bearing Set for 90-06 Jeep Wrangler YJ, TJ, Unlimited, Cherokee XJ, Grand Cherokee ZJ & WJ with 4.0L 6 Cylinder Engine
Crown Automotive
$104.99Description Learn More Specs Fitment Locating tabs are centered on the bearing!Fits the following applications:97-06 Wrangler TJ & Unlimited with 4.0L Engine91-95 Wrangler YJ with 4.0L Engine90-01 Cherokee XJ & Comanche MJ with 4.0L Engine93-98 Grand...$104.99