Engine & Fuel System
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Jet Performance 99111S Performance Stage 2 Chip for 1991 Jeep Wrangler YJ and Cherokee XJ with 4.0L Engine & Automatic Transmission
Jet Performance
$292.46Description Learn More Specs Fitment The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel...$292.46 -
Jet Performance 99112S Performance Stage 2 Module for 1991 Jeep Wrangler YJ & Cherokee XJ with 4.0L Engine & Manual Transmission
Jet Performance
$263.21Description Learn More Specs Fitment The JET Performance Module for Dodge, Chrysler and Jeep vehicles is a JET exclusive. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel...$263.21 -
Totally Stainless 6-3701 Stainless Steel Hex Head Engine Kit for 87-90 Jeep Wrangler YJ with 258 & Cast Aluminum Valve Cover
Totally Stainless
$104.99Description Learn More Specs Fitment Stainless steel hex head engine bolt kit for 81-89 AMC 258 with cast aluminum or steel valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover ...$104.99 -
Totally Stainless 6-3593 Hex Head Engine Bolt Kit for 81-90 CJ-5, CJ-7, CJ-8 & Wrangler YJ with 258c.i. Engine & Metal Valve Cover
Totally Stainless
$149.99Description Learn More Specs Fitment Stainless steel indented hex head engine bolt kit for 81-89 AMC 258 with aftermarket cast aluminum valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve...$149.99 -
Totally Stainless 6-3594 Hex Head Engine Bolt Kit for 81-90 CJ-5, CJ-7, CJ-8 & Jeep Wrangler YJ with 258c.i. Engine & Plastic Valve Cover
Totally Stainless
$149.99Description Learn More Specs Fitment Stainless steel indented hex head engine bolt kit for 81-90 AMC 258 with factory valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover Engine...$149.99 -
Totally Stainless 6-3580 Button Head Engine Bolt Kit for 81-90 CJ-5, CJ-7, CJ-8 & Wrangler YJ with 258c.i. Engine & Plastic Valve Cover
Totally Stainless
$109.99Description Learn More Specs Fitment Stainless steel button head engine bolt kit for 81-90 CJ w/ AMC 258 and OEM plastic valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover Engine...$109.99 -
Totally Stainless 6-3576 Stainless Steel Hex Head Engine Kit for 81-89 Jeep CJ & Wrangler YJ with 258 & Cast Aluminum Valve Cover
Totally Stainless
$99.99Description Learn More Specs Fitment Stainless steel hex head engine bolt kit for 81-89 AMC 258 with cast aluminum or steel valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover ...$99.99 -
Totally Stainless 6-3581 Stainless Steel Hex Head Engine Kit for 81-90 Jeep CJ & Wrangler YJ with 258 & OEM Plastic Valve Cover
Totally Stainless
$99.99Description Learn More Specs Fitment Stainless steel hex head engine bolt kit for 81-90 AMC 258 with factory plastic valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover Engine Size:...$99.99 -
Totally Stainless V-C6-3581 Stainless Steel Hex Head Engine Kit for 81-90 Jeep CJ & Wrangler YJ with 258 & Plastic Valve Cover
Totally Stainless
$99.99Description Learn More Specs Fitment Stainless steel hex head engine bolt kit for 81-90 AMC 258 with factory plastic valve cover. Hardware for distributor,fuel pump,intake,oil pan,thermostat,timing cover, water pump, and valve cover Engine Size:...$99.99 -
OMIX 17439.02 Oil Pan Cork Gasket for 83-90 Jeep CJ-7, CJ-8 Scrambler & Wrangler YJ with 2.5L
OMIX
$9.99Description Learn More Specs Fitment Installation NotesInstallation Difficulty:Level 2IntermediateInstallation Time: 1-2 hours Parts IncludedOil Pan GasketWarranty Minimum 5 Year Limited Warranty. Engine Size: 2.5L I-4Engine Fuel:...$9.99 -
Crown Automotive 5093785AA Valve Cover Gasket for 87-95 Jeep Wrangler YJ, Cherokee XJ & Comanche MJ and 93-95 Grand Cherokee ZJ
Crown Automotive
$21.99Description Learn More Specs Fitment The Crown Automotive Valve Cover Gasket is a replacement for the sealant used at the factory on 6-cylinder Jeep engines. Designed to be used with original valve covers, this closed rubber gasket lays perfectly on...$21.99 -
Crown Automotive J3237837 Valve Cover Screw Seal for 81-90 Jeep CJ, Wrangler YJ, SJ and J-Series with 4.2L Engine and Plastic Valve Cover
Crown Automotive
$1.79Description Learn More Specs Fitment For 4.2L Engines with Plastic Valve Covers Installation NotesInstallation Difficulty:Level 1BeginnerInstallation Time: Less than an hour Parts Included 1 Grommet Warranty 12 Month/12,000 Mile Limited Warranty ...$1.79