Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
JEEP 4.0L/242 Engines & Components
Showing In Stock Items. Show All 292 Items.
Summit Racing™ Oil Filter Relocation Kits
These Summit Racing™ remote oil filter kits include a bypass adapter, filter mount, 8 ft. of oil hose, barb fittings, stainless steel hose clamps, mounting hardware, and instructions. These kits require a Fram PH8A or equivalent oil filter, which is not included.
( 188 )
$60.99
—
$74.99
Edelbrock Performer Cylinder Heads
All Edelbrock aluminum cylinder heads feature threaded inserts in the rocker studs and exhaust manifold bolt holes for superior strength and durability. They also include hardened seats, bronze valve guides, and fully machined valve cover rails for a more consistent gasket seal. They offer improved power throughout the rpm range for greater throttle response and top-end horsepower. The intake and exhaust runners are CNC-machine profiled for superior flow and performance.
( 41 )
$1,459.50
—
$1,933.50
Melling Replacement Hydraulic Lifters
Melling replacement hydraulic lifters are perfect for when you're ready to freshen up your engine. Melling has designed these lifters to be within factory tolerances for the perfect fit. They are affordable and available as flat or roller lifters.
( 40 )
$12.99
—
$13.99
Fram HP Series Oil Filters
For maximum performance and durability on the street or at the track, trust Fram HP Series oil filters. They offer twice the oil flow rate and four times the dirt-holding capacity of standard oil filters. Their extra-thick steel cans and heavier gauge tapping plates are designed to withstand the high pressures and flexing caused by demanding driving conditions. Tough steel end caps hold a spiral-shaped center tube to offer more durability and protection against collapse. Fram HP Series oil filters are compatible with all oil types and have been optimized for racing and high performance street cars. Additional features include: * Low-restriction racing media designed for high oil flow * 94 percent efficiency at 20 microns * Silicone anti-drainback valve on many applications * 10 to 18 gpm recommended maximum oil flow, depending on model * Maximum burst pressure: 350 to 500 psi, depending on model * Maximum operating pressure of 200 psi * Screen over bypass valve for extra protection against large contaminants * High-flow bypass valve * Flanged steel end caps
( 127 )
$16.99
—
$17.99
System 1 Spin-On Oil Filters
System 1 has eliminated the need for disposable oil filters. Built from durable anodized aluminum housing, System 1 filters feature a washable, stainless steel element that can be used over and over again. They can be completely disassembled for inspection, revealing metal shavings and residue that could indicate engine wear or damage. System 1 oil filters are perfect for daily drivers, fleet vehicles, and race and marine applications.
( 16 )
$257.00
—
$304.00
ARP Pro Series Cylinder Head Studs
ARP Pro Series cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12-point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of models ready to ship, these cylinder head fasteners can be ordered for virtually any style engine.
( 809 )
$134.99
Derale Engine Oil Filter Relocation Kits
Now you can easily move your vehicle's oil filter to a more convenient location for quicker and easier filter changes with one of these Derale Performance engine oil filter relocation kits. They work great for engine swaps, too! The kits are available for hundreds of vehicles; order the model recommended for your application.
( 39 )
$80.28
—
$112.40
Speed-Pro Hypereutectic Pistons
If you're looking for pistons with an unbeatable combination of performance and value, then Speed-Pro hypereutectic pistons are for you. These pistons are manufactured from aluminum alloy that contains 16 percent silicon for greater strength and wear resistance. They're also molded in the latest permanent-mold technology to ensure the precise fit and tight bore clearances that today's top engine builders demand. Hypereutectic pistons are ideal for use in high performance street, bracket, and oval track racing—and will work perfectly with normal ring end gaps. Choose the model designed for your vehicle and engine application.
( 332 )
$30.99
—
$192.99
Trans-Dapt Performance Remote Oil Filter Relocation Kits
Trans-Dapt Performance remote oil filter relocation kits allow you to move your oil filter to a more accessible location, making filter changes quick and easy. They're available in single or dual filter kits. Dual filter kits double the filtration of your oil system to keep oil cleaner and add an extra quart of oil capacity.
( 79 )
$98.99
—
$151.99
Harland Sharp Original Roller Rockers
If you plan on adding performance to your street machine or building a serious racer, Harland Sharp Original Series roller rockers are recommended for you. Using the very latest manufacturing technology and only the very finest materials, the Original Series rockers incorporate race-proven enhancements, such as improved strength, performance, and lighter weight over conventional rocker arm designs. Don't settle for any old rocker arm--go with a true leader in roller rocker arm technology--Harland Sharp.
( 177 )
$416.99
—
$555.99
Canton Racing 90 Degree Rotating Remote Oil Filter Adapters
Canton Racing remote oil filter adapters feature a unique design that permits the two 90 degree inlet and outlet ports to be rotated. This simplifies hose and fitting connections for all applications. They are machined from billet aluminum and come with all necessary hardware and O-ring seals.
( 63 )
$108.00
Melling Oil Pump and Pickup Kits
Designed for a simple installation, these Melling oil pump and pickup kits pump 20 percent additional oil volume compared to stock. The pickups' screen traps debris without restricting flow, and their orientation ensures optimum clearance from the bottom of the oil pan. Make Melling your choice when installing oil pump and pickup kits.
( 3 )
$105.99
COMP Cams Xtreme 4x4 Cam and Lifter Kits
These COMP Cams Xtreme 4x4 cam and lifter kits are built to take advantage of the latest cam technology to provide maximum performance and torque for your vehicle. Whether your use is off-roading or towing, there is an Xtreme 4x4 kit for you. By using an aggressive lobe profile, these cams provide better throttle response and more mid and top-end horsepower.
( 14 )
$416.95
Hayden Oil Filter Relocation Kits
Hayden oil filter relocation kits allow you to relocate your oil filter to a more accessible location, such as in the engine compartment. Hayden manufactures these oil filter relocation kits out of quality materials to ensure performance and durability. Additional oil capacity helps cool internal engine parts providing maximum engine protection.
( 20 )
$74.99
K&N Performance Gold Oil Filters
Get oil filtration that's as good as gold with K&N Performance Gold oil filters. Keep your engine free from contaminants as small as 10 microns. They use a resin-impregnated filter media to provide maximum filtering and an inner core to lend extra structural support to the filter, preventing filter collapse. Plus, many of these K&N oil filters have an anti-drainback valve (where applicable) that eliminates dry starts and prevents oil from draining back into the crankcase during engine shutdown. And they're protected by a heavy-duty outer shell that guards against rock and stone damage and provides over 550 psi hydrostatic burst strength. So, if you want golden-level oil protection, then you want K&N oil filters.
( 516 )
$15.99
Summit Racing™ Valve Cover Oil Fill Caps
Dress up your engine compartment while keeping oil in its place and the dirt at bay with Summit Racing™ valve cover oil fill caps. They're manufactured from high-quality material, providing a proper fit and seal to prevent oil loss. These round, steel caps are available to fit a variety of applications, including GM, Mopar, Ford, AMC, Jeep, and other make/model vehicles. Whatever your part needs, chances are Summit Racing™ has it!
( 39 )
$4.99
COMP Cams Xtreme 4x4 Camshafts
COMP Cams Xtreme 4x4 camshafts are built to take advantage of the latest cam technology to provide maximum performance and torque for your vehicle. Whether your use is off-roading or towing, there is an Xtreme 4x4 for you. By using an aggressive lobe profile, these cams provide better throttle response and more mid and top-end horsepower.
( 48 )
$423.95
COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits
COMP Cams Xtreme Energy 4x4 cam and lifter kits are built to take advantage of the latest cam technology to provide maximum performance and low-end torque for your vehicle. Whether your use is off-roading or towing, there is an Xtreme 4x4 for you. By using an aggressive lobe profile, these cams provide better throttle response and more top-end horsepower than equivalent cams from other manufacturers, while delivering increased engine vacuum.
( 69 )
$354.95
—
$540.95
ARP High Performance Series Cylinder Head Bolt Kits
ARP High Performance Series head bolt kits are tough. They are rated at 180,000 psi--15 percent stronger than Grade 8 fasteners. They come available with a reduced wrenching hex head or 12-point head that help eliminate the need for valvetrain removal when re-torqueing cylinder heads.
( 1051 )
$67.99
PSC Power Steering Pulleys
Replace your old, wobbly pulley with these PSC power steering pulleys. Made from high quality materials, they meet factory specifications to ensure a precise fit on your power steering pump. An integral part of the drive system for belt-driven steering pumps, PSC power steering pulleys have you covered.
( 12 )
$75.00
Aeroquip Quick-Drain Oil Pan Couplings
Aeroquip quick-drain oil pan couplings are great for street rides, hot rods, race cars, or anything else that you need to cleanly drain fluid from efficiently. They eliminate the potential for spillage by draining directly into a waste container and make changing your oil quick, clean, and fun.
( 9 )
$72.99
Dayco No Slack Idler Pulleys
Take up the slack with Dayco No Slack Idler pulleys. These specially formulated glass-filled polymer or steel-bodied pulleys have smoother surfaces and tighter dimensional tolerances for less vibration and longer belt life. They meet or exceed OEM specifications and feature lifetime-lubricated bearings and high-temperature seals to ensure peak bearing performance. Maximum structural integrity and optimal performance mean Dayco value for you. Keep your belts from slacking off with Dayco No Slack Idler pulleys.
( 80 )
$19.99
—
$27.99
Earl's Performance Oil Filter Bypass Adapters
Many installations, particularly oil cooler installations, require the oil filter to be relocated. Earl's has bypass adapters for most spin-on and many bolt-on applications. They're designed to be quick and easy to install.
( 13 )
$84.45
—
$122.95
Moroso Power Kickout Series Oil Pans
These Power Kickout series oil pans from Moroso are designed with a louvered windage tray and a kicked-out sump that move the oil level away from your rotating assembly, increase capacity, and provide additional ground clearance. Their sump is fully baffled with five trap doors to provide an uninterrupted oil supply under harsh racing conditions.
( 7 )
$569.99
