S&S CYCLE - 31-0010 - Engine Case - Super Stock Generator Style - Stock Bore - Big Twin '65-'69
Whether restoring a machine to factory spec or building something better, the S&S CYCLE 31-0010 gives you an engine case that meets the demands of serious street use. Includes 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. Bearing races are all line honed and breather cavity is precision machined to optimize breather timing for maximum oil scavenging, giving you a level of quality that holds up across the full service life of the component. Machined for 3.4375” cylinders and tapped 1/4”-20 for gear covers, oil pump, tappet guides, timer and timer advance. Uses Timken style sprocket shaft bearings. '65 models use '65 alloy inner primary. The 31-0010 is the kind of component that earns its place in any build or repair by doing exactly what it is supposed to, every time. Sold as a complete kit.
Features
- Includes 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
- 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
- Uses Timken style sprocket shaft bearings
- '65 models use '65 alloy inner primary
- Drilled for 5/16” generator mounting bolts
- Made in the USA
- Generator crankcase gear kit (includes circuit breaker drive gear, idler gear, circuit breaker gear and shims) and shafts must be purchased separately.
- '63-'65 models with outiside oil lines must use oil port to the rear of the tappet block or oil port in gear cover and use custom oil lines.
Specs
- Type: Generator
- Units: Kit
- Color/Finish: Natural
- Material: A356 T-6 Aluminum Alloy
- Model: Super Stock®
- Product Name: Engine Case
- Riding Style: Street
Frequently Asked Questions - S&S CYCLE - 31-0010 - Engine Case - Super Stock Generator Style - Stock Bore - Big Twin '65-'69
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
