Bullet_point: ['Consistent set up and installation with detailed instruction sheets included in each set', 'Engineered for quiet operation; improves pitting resistance and reduces vibration and noise', 'Improves oil retention properties reducing lubrication requirements and cost, extending component life, reducing part failures and minimizing overheating', 'Isotropic super finishing eliminates break-in, reduces friction and wear, improves corrosion resistance, reduces contact and bending fatigue', 'Premium quality gears manufactured in the USA, designed to maximize performance and durability'] (Page 1)