Product Description
S&S CYCLE Cylinder Stud & Head Bolt Kit – ’17-’23 M8 Models
Key Features
- Studs
- 8 studs with rounded thread roots, rather than flat, improving fatigue strength
- 4140 Chrome Moly studs, oil quenched and tempered to 39-44 HRC
- Positive stop shoulder allows for consistent installed height
- 180,000 psi tensile strength
- Head Bolts
- Reusable
- 14% increase in strength over stock
- Heat treated 8640 steel
- 200,000 psi ultimate tensile strength
- 8 – head bolts with integral washer
- Formed threads
- Cold formed head
- Compatible with both MLS & graphite head gaskets
Technical Specifications
- Weight: 4.00 lbs
- Supplier Number: 900-1176
- Unit of Measure: Kit
Current Warehouse Inventory
Stock by Location:
- ✓ Janesville, WI: 14 units
- ✓ Batavia, NY: 5 units
- ✓ Dallas, TX: 5 units
- ✗ Fresno, CA: 0 units
- ✓ Reno, NV: 3 units
- ✓ Asheville, NC: 9 units
- ✓ National: 20 units
Total Available: 56 units
Inventory Last Checked: December 4, 2025 at 1:00 AM UTC
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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