S&S CYCLE - 330-0821 - Camshaft - HPT496 - Chain Drive - M8
Every powersports drivetrain is only as reliable as the chain holding it together, and the S&S CYCLE 330-0821 is a 496 chain built to stay tight, resist stretch, and handle the punishment of serious riding across its full run. Designed as a bolt in cam. Designed to improve engine power and torque, ensuring strong pin retention. HPT cams feature wider lobes and altered valve timing comparted to stock, and compatible with stock valve springs when used with the OEM rocker arms give this chain the internal toughness to resist constant flex and impact loads. Excellent gains in overall performance, works on motors up to 11.0:1 compression. Whether running a practice bike, race machine, or trail bike, the 330-0821 delivers consistent performance. Sold individually.
Features
- Designed as a bolt in cam
- Designed to improve engine power and torque
- HPT cams feature wider lobes and altered valve timing comparted to stock
- Compatible with stock valve springs when used with the OEM rocker arms
- Excellent gains in overall performance, works on motors up to 11.0:1 compression
- Not for VVT motors.
Specs
- Grind: 496 Series
- Intake Close: 40°
- Riding Style: Street
- Exhaust Close: 15°
- Intake Open: 7°
- Exhaust Duration: 243°
- Exhaust Open: 48°
- Exhaust Lift: 0.485”
- Intake Duration: 227°
- Product Name: Camshaft
- Application: Exhaust
- Intake Lift at TDC: 0.072”
- Intake Lift: 0.485”
- Type: Chain
- Units: Each
- Application: Intake
- Exhaust Lift at TDC: 0.097”
Frequently Asked Questions - S&S CYCLE - 330-0821 - Camshaft - HPT496 - Chain Drive - M8
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.