S&S CYCLE - 310-0233 - V80 Long-Block Engine - Wrinkle Black - Custom Chassis | Evolution Big Twin
The S&S CYCLE 310-0233 is a v80 long-block engine - wrinkle black - custom chassis | evolution big twin engineered for street applications where fit, function, and build quality are the baseline expectation. Stock-height basic engine is direct bolt in replacement for aging 80” H-D Evolution engines. Specially machined cylinder heads allow use of stock length manifolds, giving you a level of quality that holds up across the full service life of the component. Includes S&S performance cylinder heads, S&S standard oil pump, flat top cast pistons, S&S 585 valve springs, forged rocker arms, 508 camshaft. For '84-'99 Evolution Big Twin or '70-'90 custom chassis with alternator-style primary.. Fuel and ignition systems not included, use existing carburetor (rejetting is required).. For riders who know the difference quality components make, the 310-0233 is the right call. Sold individually.
Features
- Stock-height basic engine is direct bolt in replacement for aging 80” H-D Evolution engines
- Specially machined cylinder heads allow use of stock length manifolds
- Includes S&S performance cylinder heads, S&S standard oil pump, flat top cast pistons, S&S 585 valve springs, forged rocker arms, 508 camshaft
- Made in the USA
- For '84-'99 Evolution Big Twin or '70-'90 custom chassis with alternator-style primary.
- Fuel and ignition systems not included, use existing carburetor (rejetting is required).
- EFI compatible - calibration required (must use aftermarket module or add-on tuner).
Specs
- Units: Each
- Riding Style: Street
- Stroke Length: 4.250”
- Type: V80
- Color/Finish: Wrinkle Black
- Cooling System: Air Cooled
- Bore Size: 3.500”
- Model: V-Series
- Product Name: Engine
- Compression Ratio: 8.4:1
- Style: Long Block
- Displacement: 80”
Frequently Asked Questions - S&S CYCLE - 310-0233 - V80 Long-Block Engine - Wrinkle Black - Custom Chassis | Evolution Big Twin
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.
