Arlen Ness Titanium 12-Point Engine Case Bolt Kit For Harley CNC-machined solid titanium hardware upgrades the engine case with lower weight and a sharp race-ready look. Meticulously engineered with spot-drilled heads and custom lightning holes on the flanges, these 12-point bolts give the motor a distinctly technical finish. Features: CNC machined from solid Titanium Features a spot drilled bolt head & lightning hole design on the bolt flange Reduced weight over factory & stainless steel hardware 4 engine case bolts are visible & changeable without uninstalling / re-installing inner primary Each case bolt kit includes 4 bolts 3 kits required for complete Touring engine case, 4 kits required for 18-up Softail models