S&S CYCLE - 330-0166 - Cam - H-Grind - Alternator Style - Big Twin '78-'84
Whether restoring a machine to factory spec or building something better, the S&S CYCLE 330-0166 gives you a camshaft that meets the demands of serious street use. OEM specification replacement hydraulic camshaft with unique front and rear timing specifications. H-grind is a dead-on reproduction of the stock cams used in '48-'84 Big Twins, giving you a level of quality that holds up across the full service life of the component. Perfect for repair and restoration of 74” and 80” engines. Available for generator engines with inner cam bushings or inner cam bearings and for early and late alternator engines with different cam gear pitch diameters.. Application: Exhaust. The 330-0166 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 individually.
Features
- OEM specification replacement hydraulic camshaft with unique front and rear timing specifications
- H-grind is a dead-on reproduction of the stock cams used in '48-'84 Big Twins
- Perfect for repair and restoration of 74” and 80” engines
- Available for generator engines with inner cam bushings or inner cam bearings and for early and late alternator engines with different cam gear pitch diameters.
Specs
- Application: Exhaust
- Grind: H
- Intake Open: 0° Front / 20° Rear
- Riding Style: Street
- Type: Gear
- Exhaust Close: 12° Front / 12° Rear
- Exhaust Lift: 0.389” Front / 0.391” Rear
- Intake Close: 40° Front / 33° Rear
- Intake Lift at TDC: 0.076” Front / 0.076” Rear
- Exhaust Open: 53° Front / 53° Rear
- Application: Intake
- Exhaust Lift at TDC: 0.131” Front / 0.131” Rear
- Intake Duration: 220° Front / 233° Rear
- Units: Each
- Exhaust Duration: 245° Front / 245° Rear
- Intake Lift: 0.389” Front / 0.391” Rear
- Product Name: Camshaft
Frequently Asked Questions - S&S CYCLE - 330-0166 - Cam - H-Grind - Alternator Style - Big Twin '78-'84
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.
