Cartech Automotive Books & Manuals SA440 Jeep Wrangler YJ 1987-1995: Performance Modifications

Step-by-Step Upgrades: Learn to modify your suspension, drivetrain, brakes, and steering for unmatched off-road performance with detailed instructions.

Unlock Hidden Power: Explore proven techniques for maximizing horsepower, including performance upgrades and engine swap possibilities for the legendary 4.0L engine.

Master Any Trail: Gain expert advice on selecting and installing the perfect wheels and tires to conquer any terrain you throw at your Wrangler YJ.

Built to Last: Protect your Jeep with in-depth guides on installing skid plates, bumpers, and other essential armor to handle the toughest obstacles.

Become a Jeep Mastermind: Discover a vast selection of aftermarket parts and accessories to personalize your Wrangler YJ for peak functionality and classic style.