Car guys working on Nissan D21, D22, or PLD models, this torsion bar adjusting bolt is exactly what you need for front suspension work. These bolts are located at the front left and right sides of your vehicle and are crucial for adjusting and raising your torsion bar suspension. The part numbers match OEM specifications: 5421631G0A, 5421631G00, 089112421A, and 089116421A - but definitely double-check your existing parts before ordering. Made from premium metal alloy that resists corrosion and wear, so you're not dealing with rusted or stripped bolts down the road. The hex design makes installation straightforward with standard tools. These are direct replacements, so no modifications needed - just swap out your old, worn bolts and nuts with these new ones. Perfect for when you're doing suspension maintenance, leveling your truck, or addressing sagging issues. The quality feels solid and durable, not like cheap aftermarket parts that might strip or break. Whether you're a professional mechanic or a DIY enthusiast, having the right torsion bar bolts makes suspension work much smoother. Your truck will thank you with better ride quality and proper front end alignment!