S&S Cycle - S&S Performance Parts 2025 L - Volume 67

1984-'99

Phone: 608-627-1497

1 -2017-UP 2 -2007-'17 3 -1999-'06 4 -1984-'99 5 -1936-'84 6 -XL-RA1250 7 -BELTS & GASKETS 8 -TOOLS 9 -WARRANTY 10 -APPENDIX

31-6208

Fitment • S&S 41/8"V-Series engines

Options Pump Only Kits: • Complete oil pump assembly • Oil pump driveshaft • Miscellaneous hose fittings and plugs • Paper gaskets • Mounting hardware Pump And Gear Kits: • Everything in the "pump only" kits • Oil pump drive shaft gear • Oil pump pinion shaft gear • Steel breather gear and shim kit

Features And Benefits • No thicker than a stock pump • Gears with fewer, but larger teeth provide increased oil volume for both supply and return sides of the pump • Supply gears are 9% wider than stock and standard S&S oil pumps • 28% wider than stock return gears ensure proper crankcase scavenging, reduce drag on the flywheels, and eliminate oil carryover • Increased scavenging capacity results in: • Less oil in the crankcase • Less oil carryover • Equipped with a stock length oil pump drive shaft

High Volume High Pressure Oil Pump Kits For 1984–'99 Big Twins Year Group Cover Type Pump Only Kit The gear tooth profile and the extra gear width of the HVHP oil pump work together to maintain higher oil pressure and to scavenge additional oil from the crankcase.

Replacement Parts -page 4-77

Pump w/Gear Kit*

1984–'91

Universal Universal Standard

31-6214

31-6307 31-6302

31-6208 USA

2,3

1992–'99

31-6209 31-6298 *Pinion shaft gears included in these kits fit stock 1984-’89 pinion shafts and S&S pinion shafts for 1984-’99. Will not fit stock 1990-’99 straight pinion shafts.Standard style covers have feed and return holes in the stock locations. The universal cover has a number of oil feed and return options, allowing maximum flexibility for customized applications.

Transmission Trap Door Kit Description

Part Number

Trap Door, Kit, Transmission, 5 Speed, Natural, Billet, 1986-'99 bt

56-1027

4-47