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PROMOTIONAL
REFERENCE
INDEX
402
6 –
into
– 4 TRANSMISSION
Application
Description
Year
WPS#
List
Shovelhead
6-speed overdrive transmission 2.94 1st gear, Raw Finish
‘70-E84
821-1051 $3794.95
6-speed overdrive transmission 2.94 1st gear, Polished Finish
‘70-E84
821-1052 3794.95
6-speed overdrive transmission 2.94 1st gear, Wrinkle Black Finish ‘70-E84
821-1039 3794.95
Shovelhead/Panhead 6-speed overdrive transmission 2.94 1st gear, Raw Finish
‘65-69
821-1040 3794.95
Knucklehead/Panhead 6-speed overdrive transmission 2.94 1st gear, Raw Finish
‘36-64
821-1053 3794.95
Years ago we came out with the 6-into-4 for Shovelheads. Sales of these transmissions have been a complete shocker
and the message is loud and clear: People love their Shovelheads and they ride the piss out of them. We often get asked
“why not a 5-into-4?”. This is because 4-speeds have a 1:1 fourth gear and Evo 5-speeds do as well. This provides no
RPM advantage to your old iron. 6-into-4’s have a 1:1 fifth gear and a .86:1 sixth gear; good for a 500 RPM reduction on
the highway. Our original 6-into-4 transmission is a direct replacement for the 1970-Early 1984 4-speed. This year we have
main shaft options that allow fitment into wet (diaphragm) clutch model Shovels and 4-speed Evo models that require a
longer main shaft and shorter ones for Pan and Knuckle. Available with different kicker covers
• 6061-T6 extruded billet case with the nostalgic look of 4-Speed and precision machined
for no leaks
• 5th mounting stud machined into the case, for pure strength and no weak points
• BAKER Klassic Kicker gears, stainless steel kick arm, and bronze pedal standard
• Case available with or without primary flange; raw, wrinkle black, or polished
• 23 tooth sprocket standard. Optional 24 tooth and 33 tooth pulley
• Forged top cover available with or without neutral switch
• Modern 5-speed style shift drum and shifter pawl for smooth quick shifts
• Electronic speed sensor provision on right rear of case
• N1 drum, no cost option, for N-1-2-3-4-5-6 shift pattern
• Comes standard with a BAKER 5 Year/50,000 mile warranty
Raw Finish
Polish Finish
Wrinkle Black Finish
TRANSMISSION / DRIVELINE