The Perry Parts AB4F Front Bump Stops are engineered to deliver precise front-end control and dependable bottom-out protection for classic Toyota and Mitsubishi platforms. Designed for front suspension applications and tuned on a suspension dyno, these bump stops help manage harsh impacts while maintaining a smooth, controlled ride. Manufactured using advanced additive manufacturing and validated through extensive testing, the AB4F is built for long-term durability on the street and the trail. LEAD TIME: 10 Days Important Notes Front application only – Designed specifically for front suspension use. Up-travel specific options – Proper height selection is critical for suspension performance. Bolt-on installation – No cutting or fabrication required. Features Precision fit design – Designed to fit your vehicle perfectly with an easy install. Dyno-tuned performance – Tuned on a suspension dyno for unmatched, application-specific performance. Adaptive compression damping – Controls harsh impacts while maintaining ride comfort. Variable-density progressive architecture – Soft during normal driving, firm under heavy compression. Extreme durability – Engineered to survive over 100,000 compression cycles. FGF additive manufacturing – Manufactured using Perry Parts’ proprietary advanced process. Third-party tested – Proven to exceed competitor performance benchmarks. Specifications Product type – Front bump stops Model – AB4F Available heights – 47 mm, 51 mm Damping type – Adaptive compression Manufacturing process – Proprietary FGF additive manufacturing Cycle rating – 100,000+ compression cycles Warranty – 2-year, no-questions-asked replacement warranty Product Height OEM up-travel – 47 mm -1/4" up-travel – 51 mm Hardware Included Center bolts – Included as pictured for easy installation Vehicle Fitment Toyota 4Runner – (1996–2002) Toyota Tacoma – (1995–2004) Mitsubishi Montero – (1992–2000)