Harddrive Shovelhead Exhaust Stud Conversion Kit - Harley Evolution
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.
The Harddrive Shovelhead Exhaust Stud Conversion Kit is an essential upgrade for any 1966–1984 Shovelhead V-twin owner. This kit is engineered to prevent common thread stripping issues in the cylinder head by replacing problematic loose studs and nuts with permanently installed studs. It ensures a more secure and reliable exhaust mounting, saving you from costly repairs and frustrating leaks.
Why riders pick this
- Prevents thread stripping in Shovelhead cylinder heads
- Ensures permanent and secure exhaust stud installation
- Includes 4 studs, 2 flange gaskets, and 2 chrome nuts
- Comes with stainless steel lockwashers and an allen wrench
- Direct fit for Shovelhead exhaust ports
Shovelhead owners know the struggle of exhaust stud and nut issues, with repeated loosening often leading to stripped threads in the cylinder head. This Harddrive conversion kit provides a robust solution, allowing for permanent stud installation that greatly reduces the risk of thread damage. By converting to a more secure stud setup, you'll experience improved exhaust sealing and peace of mind, knowing your exhaust system is firmly in place.
Enhanced Durability and Reliability
- Prevents thread stripping in the cylinder head with permanent stud installation
- Includes four high-quality studs for a complete conversion
- Comes with two flange gaskets for a leak-free seal
- Features two chrome nugget nuts and stainless steel lockwashers for secure fastening
- Includes an installation allen wrench for convenience
A Must-Have for Shovelhead Maintenance
This conversion kit is a smart investment for any Shovelhead engine, addressing a known weak point in the exhaust mounting system. Whether you're performing routine maintenance, a full rebuild, or simply tired of chasing exhaust leaks, these permanently installed studs offer a long-term fix. Ride with confidence, knowing your exhaust is securely mounted and your cylinder head threads are protected.
Specifications
- Brand: Harddrive
- Manufacturer Part #: 30-936
- UPC: 191361256660
- Weight: 0.18 lbs
- Country of Origin: China (Taiwan)
Common questions
What is included in this Harddrive Shovelhead Exhaust Stud Conversion Kit?
The kit includes four exhaust studs, two flange gaskets, two chrome nugget nuts, stainless steel lockwashers, and an allen wrench for installation.
Why should I convert to permanent studs instead of using the stock loose studs and nuts?
Permanently installed studs prevent repeated loosening and significantly reduce the risk of thread stripping in the cylinder head, which is a common issue with the stock fastener setup on Shovelhead engines.
Will this conversion kit fit my 1978 Harley-Davidson Shovelhead?
Yes, this Harddrive kit is a direct fit for 1966–1984 Harley-Davidson Shovelhead V-twin motorcycles, making it suitable for your 1978 model.
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 | Exhaust |
| SKU | 820-0148 |
| WEIGHT | 0.18 lb |
