BAKER (414P2) OD6 Builder's Transmission Kit Reduces RPM by 450-500 at highway cruising speeds depending on application Redundant neutral shift system assists in finding neutral; 1st Gear Ratio: 3.24; 6th Gear Ratio: 0.86 Hard chrome plated shift forks for wear resistance Diamond cut gear set made out of 8620 steel Billet 6061-T6 bearing door