Engine & Fuel System
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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 8133254K6 Crankshaft Main Bearing Set for 65-90 Jeep CJ & Wrangler YJ; 87-90 Cherokee XJ & Comanche MJ and 71-86 SJ & J-Series with 6 Cylinder Engine
Crown Automotive
$90.99Description Learn More Specs Fitment .010" Under Size Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included Crankshaft Bearing Set Warranty 12 Month/12,000 Mile Limited Warranty. Engine Size: 3...$90.99 -
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 83500301K4 Standard Connecting Rod Bearing Set for 83-02 Jeep CJ, Wrangler YJ & TJ and 84-00 Cherokee XJ & Comanche MJ with 2.5L Engine
Crown Automotive
$29.99Description Learn More Specs Fitment .010" Undersize Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included 4 Bearing Sets Warranty 12 Month/12,000 Mile Limited Warranty. Features:...$29.99 -
Crown Automotive 83500300K4 Standard Connecting Rod Bearing Set for 83-02 Jeep CJ, Wrangler YJ & TJ and 84-00 Cherokee XJ & Comanche MJ with 2.5L Engine
Crown Automotive
$29.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included 4 Bearing Sets Warranty 12 Month/12,000 Mile Limited Warranty. Features: Standard SizeEngine Size: 2.5L...$29.99 -
Crown Automotive 83501893K Standard Piston Ring Set for 84-86 Jeep Cherokee XJ and Comanche MJ with 2.8L Engine
Crown Automotive
$115.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 6-8 hours Parts Included 6 Ring Sets Warranty 12 Month/12,000 Mile Limited Warranty. Features: Standard SizeEngine Size: 2.8L...$115.99 -
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 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 -
Crown Automotive 53010309 Fan Pulley for 87-01 Jeep Cherokee XJ with 4.0L Engine
Crown Automotive
$9.89Description Learn More Specs Fitment 4.67 diameter, no grooves, Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 1-2 hours Parts IncludedFan PulleyWarranty 12 Month/12,000 Mile Limited Warranty. Engine Size: 4.0L...$9.89 -
Crown Automotive JY013411 V-Belt for 76-90 Jeep CJ Series, Wrangler YJ, Cherokee XJ, SJ & J Series
Crown Automotive
$8.99Description Learn More Specs Fitment Fits the following applications:83-86 CJ Series with 2.5L Engine & without A/C81-86 CJ Series with 4.2L Engine & without A/C81-86 CJ Series with 4.2L Engine & with A/C. To crankshaft pulley only.81-86 SJ & J...$8.99