Crankcase

Drag Specialties Part #: 0920-0124
Drag Specialties Non-Punctuated Part Number: 9200124
Manufactuer: S&S CYCLE
Manufactuer Part #: 31-0008
Manufactuer Non-Punctuated Part #: 310008
UPC Code:
Unit of Measure (UOM): KT

Features

• Cast from A356 T-6 heat-treated aluminum alloy
• Include crankcase bolts, washers and nuts, cylinder mounting studs, timing hole plug, magnetic drain plug, assorted breather and oil line fittings, top end oil screen spring and plug, sprocket shaft Timken bearing assembly, oil seal, pinion shaft main bearing race, cam needle bearing assembly, oil pump shaft bushings and installation instructions
• Use Timken style sprocket shaft bearings and 1958 and later pinion bearings (will not accept 1957 and earlier flywheels)
• Bearing races are all line honed and breather cavity is precision machined to optimize breather timing for maximum oil scavenging
• Machined for 3.4375" cylinders and tapped 1/4"-20 for gear covers, oil pump, tappet guides, timer and timer advance
• 65 models use 65 alloy inner primary
• Drilled for 5/16" generator mounting bolts
• 63-65 models with outside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines
• Generator crankcase gear kit (includes circuit breaker drive gear, idler gear, circuit breaker gear and shims) and shafts must be purchased separately
• Made in the U.S.A.

Specs

• Product Name: Crankcase
• Color/Finish: Raw
• Material: Aluminum
• Units: Kit
• Riding Style: Street
• Finish: Raw

Fitments

Years	Make	Model
1948-1964	Harley-Davidson	FL
1948-1951	Harley-Davidson	WL 740
1958-1964	Harley-Davidson	Duo Glide FLH
1952-1953	Harley-Davidson	Model K 750 K
1954-1956	Harley-Davidson	Model KH 900 KH
1954-1956	Harley-Davidson	Model KHK 900 KHK
1952-1953	Harley-Davidson	Model KK 750 KK
1948-1964	Harley-Davidson	FS
1949-1957	Harley-Davidson	Hydra Glide EL
1949-1957	Harley-Davidson	Hydra Glide FL
1958-1964	Harley-Davidson	Duo Glide FL
1948	Harley-Davidson	1200 UL