Engine & Fuel System
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Crown Automotive 4798878020 .020" Oversized Piston Ring Set for 97-06 Jeep Wrangler TJ & Unlimited; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ with 4.0L Engine
Crown Automotive
$113.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 4Experts OnlyInstallation Time: 3-4 hours Parts Included 6 Ring Sets Warranty 12 Month/12,000 Mile Warranty Features: OversizeEngine Size: 4.0L I-6Engine Fuel:...$113.99 -
Crown Automotive 53010334 Cylinder Head for 99-06 Jeep Wrangler TJ and Cherokee XJ with 4.0L Engine
Crown Automotive
$930.99Description Learn More Specs Fitment Factory replacement cylinder head for 99-06 Jeep® Wrangler TJ and Cherokee XJ with 4.0L engine from Crown Automotive. Cylinder head is sold bare and does not include valvetrain. Valvetrain Sold Separately...$930.99 -
Melling MC1377 Camshaft for 99-06 Jeep Wrangler TJ & Unlimited with 4.0L Engine
Melling
$344.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 4-6 hours Engine Size: 4.0L I-6Engine Fuel: GasolineShipping Weight: 12lbShipping Dimensions: 30in x 3in x 3in (L x W x H) Jeep...$344.99 -
Melling MC1376 Camshaft for 97-99 Jeep Wrangler TJ with 4.0L Engine
Melling
$360.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 4-6 hours Parts Included1 CamshaftWarranty 1 Year Limited Warranty Engine Size: 4.0L I-6Engine Fuel: GasolineShipping Weight:...$360.99 -
Crown Automotive 4798329AB Piston & Pin for 97-06 Jeep Wrangler TJ; 96-01 Cherokee XJ and 96-04 Grand Cherokee ZJ & WJ
Crown Automotive
$75.99Description Learn More Specs Fitment Bore Size : StandardFor the Following Applications:1997-2002 TJ Wrangler with 2.5L Engine1997-2006 TJ Wrangler with 4.0L Engine1996-2001 XJ Cherokee with 2.5L, 4.0L Engines1996-1998 ZJ Grand Cherokee with 4.0L...$75.99 -
OMIX 17465.22 Main Bearing Set (.040) for 91-06 Jeep Wrangler YJ, TJ & Unlimited with 2.5/4.0L
OMIX
$114.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 3-6 hours Parts IncludedBearing SetWarranty Minimum 5 Year Limited Warranty. Engine Size: 2.5L I-4, 4.0L I-6Engine Fuel:...$114.99 -
OMIX 17465.20 Main Bearing Set (.020) for 91-06 Jeep Wrangler YJ, TJ & Unlimited with 2.5/4.0L
OMIX
$109.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 3-6 hours Parts IncludedBearing SetWarranty Minimum 5 Year Limited Warranty. Engine Size: 2.5L I-4, 4.0L I-6Engine Fuel:...$109.99 -
OMIX 17465.19 Main Bearing Set (.010) for 91-06 Jeep Wrangler YJ, TJ & Unlimited with 2.5/4.0L
OMIX
$114.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 3-6 hours Parts IncludedBearing SetWarranty Minimum 5 Year Limited Warranty. Engine Size: 2.5L I-4, 4.0L I-6Engine Fuel:...$114.99 -
OMIX 17421.14 Camshaft 2.5L for 96-02 Jeep Wrangler TJ
OMIX
$249.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 3AdvancedInstallation Time: 4-6 hours Parts IncludedCamshaftWarranty Minimum 5 Year Limited Warranty.$249.99 -
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