Page 228 of High Performance Parts for American V-Twins 2008 by S&S Cycle

lower end crankcases crankcase replacement parts pinion shaft main bearing race big twin 1958 99 engines all applications with most street performance cams standard h-d#24599-58b msrp $57.45 31-4004 002 os h-d#24600-58b msrp $57.45 31-4006 005 os h-d#24601-58b msrp $57.45 31-4007 025 os msrp $57.45 31-4028 030 os msrp $57.45 31-4030 clearanced for .798 lift cam with 1 base circle standard msrp $57.45 31-4024 005 os msrp $57.45 31-4027 030 os msrp $57.45 31-4030 1987-03 sportster® models standard h-d#8881 msrp $19.95 31-4050 31-2026 note these races may be used in stock 1958-up big twin cases if a slight grinding modification is performed to the case to align the oil feed hole in the case with the race 31-7003 31-4004 pinion main bearing thrust washers big twin 1958 86 thrust washer .070 thick h-d#24692-58 5 pack msrp $22.95 31-7003 thrust washer .050 thick 5 pack msrp $21.45 31-7004 s&s® special piston cooling oil jet kit modified harley-davidson® twin cam 88® engines with strokes greater than stock require special piston cooling jets to avoid contact with pistons at the bottom of the stroke s&s cooling oil jets provide an extra .150 of clearance between the jet and piston skirt compared with stock jets these special jets are included in the s&s 107 and 116 hot set up kits® and in the s&s 41/8 bore v124 and t124 engines s&s piston cooling jets are sold in kits of two jet assemblies with o-rings and screws piston cooling jet kit contains two jet assemblies msrp $43.95 31-2026 replacement o-ring 10 pack msrp $3.95 50-8130 note thrust washers are normally used with 1958 86 style bearings with loose rollers and drop in style cages but can be used to position 1987-up bearings when used on early style flywheels note all reference to h-d® part numbers is for identification purposes only we in no way are implying that any of s&s cycle s products are original equipment parts or that they are equivalent to the corresponding h-d® part number shown 7-19 visit us at www.sscycle.com

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