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Jeep 4.7L Stroker Engine 205 HP for 00-06

This JEEP 4.7 stroker engine will produce 205 HP with incredible 280 ft lbs TQ providing more power and reliability. Horsepower: 205 Torque: 280...

Jeep 4.7L Stroker Engine 275+ HP 00-06

This JEEP 275+ HP engine won the Baja 1000 so expect big power, and reliability! Horsepower: 275+ Torque: 320+ lb/ft Block: Seasoned...

Jeep 4.7L Stroker Engine 275+ HP 87-90

This JEEP 275+ HP engine won the Baja 1000 so expect big power, and reliability! Horsepower: 275+ Torque: 320+ lb/ft Block: Seasoned OE...

Jeep 4.7L Stroker Engine 275+ HP 91-97

This JEEP 275+ HP engine won the Baja 1000 so expect big power, and reliability! Horsepower: 275+ Torque: 320 lb/ft Block: Seasoned...

Jeep O2 Extensions 12"

Installing headers on a late model car will often cause the O2 sensor harness to be too short. These O2 Sensor Harness Extensions make it easy to...

Jeep O2 Extensions 24"

Installing headers on a late model car will often cause the O2 sensor harness to be too short. These O2 Sensor Harness Extensions make it easy to...

Jet Performance Carburetors

From the best tuners in the industry come modified Quadrajet carburetors from JET Performance to match your specific performance needs.

Jet Performance Products

Your engine has amazing amounts of power potential just waiting to be unleashed. And, the fastest and easiest route for turning that potential into...

Jetting Alcohol Engines

Jetting Alcohol Engines When jetting alcohol engines, start with what you know is rich. You'll hear a miss or misfire in upper RPM range, or you'll...

JM Striker Cylinder Heads

The J.M. Striker Head is the first and only head of its kind. J.M. used over 15 years of racing head experience to develop the Striker Head. J.M....

JM Striker Cylinder Heads

The J.M. Striker Head is the first and only head of its kind. J.M. used over 15 years of racing head experience to develop the Striker Head. J.M....

JM Striker Cylinder Heads

Manufacturer now has 3 pairs of Gen 2 Striker cylinder heads finished on the shelf. Fully machined, and ported with all modifications into them....

JM Striker VIPER Cylinder Heads

Manufacturer now has 3 pairs of Gen 2 Striker cylinder heads finished on the shelf. Fully machined, and ported with all modifications into them. No...

Joe Gibbs Driven Motor Oils

Too much of one thing can hurt a lubricant. Having the right balance lets every component do it's job without hindering the other. Lake Speed Jr...

Jomar Stud Girdles

Eliminate stud flex and help prevent stud breakage by stabilizing your valve train with a JOMAR Pro-Model stud girdle, precision CNC-machined from...

JP Timing Chain Sets

JP Performance make a large range of timing chain sets for V8's, six and four cylinder engines. They are machined from billet steel and turned for...

JW Transmissions

JW Performance Transmissions & JW Performance Transmissions Parts offer - Manufacturing of automatic transmissions and component parts for the...

JW Transmissions and Converters

J. W. Performance Transmissions, Inc. began it's operation in 1976 with one goal in mind: To provide the highest quality product and customer service...