Harddrive 1340cc Cast Iron Cylinder - Harley Evolution & Shovelhead
About Harddrive
Harddrive is the house performance and replacement line built for American V-twins, covering everything from engine hardware and electrical to controls, lighting and chassis parts. The range is aimed squarely at Harley-Davidson and Indian riders who want a direct-fit part without dealer pricing, and it spans decades of model years — from Evolution-era Softails to current Milwaukee-Eight baggers.
Unleash the full potential of your V-twin with a Harddrive 1340cc cylinder. Designed for both Shovelhead and Evolution engines, this cylinder is a solid foundation for rebuilding or upgrading your powerplant. It's built to withstand the demands of the road, whether you're chasing more power or simply refreshing your motor.
Why riders pick this
- Heavy-duty cast iron or aluminum construction
- Finished in black powder coat with machined fins
- Ready for finish honing and piston matching
- Ideal for stock replacement or big bore upgrades
- Designed for Shovelhead, Evolution, and Sportster engines
When it's time to refresh your top end or step up your displacement, a quality cylinder is non-negotiable. This Harddrive 1340cc cylinder provides a robust, reliable starting point for your build. Crafted from durable materials, it's ready for the precision work required to create a powerful and dependable engine.
Built for Performance and Durability
- Constructed from cast iron for classic Shovelhead applications
- Aluminum with cast iron sleeves for Evolution and Sportster builds
- Powder-coated black with machined fins for an OEM aesthetic
- Suitable for stock replacement or increasing displacement
The Foundation for Your Engine Build
Every great engine starts with a solid foundation, and these Harddrive cylinders deliver. They come ready for finish honing and matching to your pistons, ensuring optimal ring seal and performance. This attention to detail in the build process is crucial for longevity and power, making them a smart choice for any serious V-twin enthusiast.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 34-013
- UPC: 191361166655
- Length: 8.66 in
- Width: 8.66 in
- Height: 8.66 in
- Weight: 8.8184 lbs
- Country of Origin: China (Taiwan)
Common questions
Do these cylinders require additional machine work before installation?
Yes, these cylinders are sold unfinished and must be finish honed and precisely matched to your pistons for proper fitment and ring seal. Pistons are sold separately.
Will these fit my Shovelhead or Evolution engine?
These cylinders are available in constructions suitable for both Shovelhead and Evolution engines, as well as Sportster models. Please verify your engine displacement and material requirements before ordering.
Are these cylinders sold individually or as a pair?
These cylinders are sold individually. You will need to order two if you are replacing both cylinders on your V-twin engine.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Harddrive |
| TYPE | Engine |
| SKU | 820-51558 |
| WEIGHT | 8.82 lb |
