Zodiac Online Catalog

These gears will fit Sportster 4 Speed transmissions made from 1956 thru 1990. All gears are made from high nickel alloy steel which is heat treated and shot peened for maximum durability. With proper shot peening, the wear resistance of drive edges and slots is greatly improved.

WIDE AND CLOSE RATIO GEAR SETS FOR 4 SPEED SPORTSTER TRANSMISSIONS

The wide ratio 1st. gear set changes 1st. from 2.52 ratio to 2.68 for more low end torque with 21T or 22T trans sprockets. "C" ratio main drive gears will provide true close ratio shifting on a 4 Speed Sportster. For comparison we list all gear ratios.

"W"-1 is Wide ratio 1st. plus stock main drive (27/17 teeth)
"W"-2 is Wide ratio 1st. plus "C" ratio main drive (26/18 teeth)

Specifications

STOCK 1ST GEARS
Article number Description Retail price Add to list
Main shaft first gear 27 tooth, Andrews, fits 1954 thru 1990 (OEM 35277‑52A)
Counter shaft first gear 17 tooth, Andrews. Fits 1973 thru 1984, may be used late 1984 thru 1990 models when used in conjunction with a 1954 thru 1984 style countershaft and thrust washers
STOCK 2ND GEARS
Article number Description Retail price Add to list
2nd. Main (23T) (OEM35296‑56 & 35296‑56A)
2nd. Counter (20T) (OEM35750‑58 & 35750‑58A)
STOCK 3RD GEARS
Article number Description Retail price Add to list
3rd. Main (20T) (OEM35305‑56 & 35305‑56A)
3rd. Counter (23T) (OEM35709‑54A & 35709‑54B)
STOCK MAIN DRIVE AND COUNTER SHAFT GEAR
Article number Description Retail price Add to list
Late clutch gear 1971 thru 1978 models (OEM 37448‑71)
Late clutch gear 1979 thru mid 1984 models (OEM 37448‑79)
Counter shaft gear 1971 thru mid 1984 (27T) (OEM 35695‑58)
ANDREWS SPORTSTER 4 SPEED TRANSMISSION SHAFTS
These Andrews transmission shafts are stock replacement parts for 4 Speed Sportsters. These shafts are made of super alloy material for maximum strength and durability on this most critical part. Now available for most models from 1956 thru 1990.
Article number Description Retail price Add to list
Main shaft 1971 thru mid 1984 (OEM 35046‑71)
Main shaft 1956 thru 1969 kick-start (OEM 35044‑56)
Counter shaft 1956 thru mid 1984 models (OEM 35613‑58)
Main shaft mid 1984 thru 1990 alternator (OEM 35036‑84A)
ANDREWS WIDE RATIO 1ST. GEAR SET
Fits 1973 thru 1985. Will also fit 1986 and later models if counter shaft ZPN237161 is used.
Article number Description Retail price Add to list
Wide ratio 1st late gear set
ANDREWS ''C'' RATIO GEAR SETS (18T & 26T)
Note:
4 Speed Sportsters 1987 and up all have "C" ratio main drive gears as stock parts.
Article number Description Retail price Add to list
1971 Thru 1978 models
1979 Thru mid 1984 models
Mid 1984 to present models
Stock "W"-1 "W"-2 "W"
1.st. 2.52 2.68 2.44 2.29
2.nd. 1.83 1.83 1.66 1.66
3.rd. 1.38 1.38 1.26 1.26
4.th. 1.00 1.00 1.00 1.00

Recommended Retail Prices excluding sales tax.

Prices exclude shipping, import duties and installation.