DIRECT DRIVE 6 SPEED BUILDERS KITS FOR HARLEY DAVIDSON BIG TWIN

• DIRECT DRIVE MEANS THAT THE 6TH GEAR HAS A 1:1 RATIO (FOR 1 REVOLUTION OF THE INPUT SHAFT , THE OUTPUT SHAFT TURNS 1 REVOLUTION) WHICH IS THE SAME AS AN OE 5 SPEED
• BY INCLUDING A 28 TOOTH COMPENSATING SPROCKET AND A LONGER PRIMARY DRIVE CHAIN , THE OVERALL DRIVE RATIO IS EXACTLY LIKE A .86:1 OVERDRIVE 6TH GEAR BUT WITH THE 99% MECHANICAL EFFICIENCY OF A 1:1 RATIO DRIVE
• ALL GEARS ARE FINISH GROUND ON DIAMOND COATED TOOLING AFTER HEAT TREATING TO PRODUCE A SUPER FINE SURFACE FOR HOLDING EXACT TOLERANCES AND ELIMINATING GEAR MESH NOISE
• CHROME PLATED ACCESS DOOR
• FOURTH , FIFTH AND SIXTH GEAR SETS HAVE HELICAL CUT GEAR FACES TO FURTHER REDUCE GEAR NOISE
• ONE PIECE DESIGN OF THE COUNTERSHAFT AND SIXTH GEAR ELIMINATES THE WEAK POINT FOUND IN THE OE TRANSMISSION
• REDUNDANT (ROLLER AND PLUNGER TYPE) SHIFT DRUM DETENTS FOR POSITIVE NEUTRAL FINDING
• ANTI-OVERSHIFT INNER TRANSMISSION LINKAGE WITH IMPROVED SHAPE RETURN SPRING FOR DEPENDABILITY
• THE 28 TOOTH COMPENSATING SPROCKET YIELDS 14% MORE STARTER MOTOR TORQUE TO THE ENGINE