S&S CYCLE SKU: T14-662066

S&S Cycle Head Bolts - Milwaukee-Eight Harley-Davidson

$736.000,00
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About S&S Cycle

S&S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S&S. Few names carry more weight with engine builders in this space.

Upgrade your Milwaukee-Eight engine with S&S Cycle head bolts, designed for enhanced strength and reliability. These bolts are a direct replacement for stock hardware, offering increased durability for performance builds.

Why riders pick this

  • Engineered from heat-treated 8640 steel
  • Stronger than stock Harley head bolts
  • Black oxide coating resists corrosion
  • Features a 12-point head with integral washer
  • Designed for reusability during engine service

When pushing your Milwaukee-Eight engine hard, every component matters. These S&S Cycle head bolts are engineered to handle the increased demands of high-performance V-twin applications, providing a critical upgrade over factory hardware. Made from heat-treated 8640 steel, they offer superior tensile strength, ensuring your top end stays secure under extreme conditions.

Engineered for Performance and Durability

  • Constructed from heat-treated 8640 steel for maximum strength
  • Designed to be stronger than OEM head bolts for demanding applications
  • Features a 12-point head with an integral washer for precise torque application
  • Black oxide coating provides enhanced corrosion resistance and a clean look
  • Reusable design for convenience during engine servicing

Built for the Road Ahead

Whether you're doing a cam swap or building a full-blown performance engine, reliable hardware is key. These S&S Cycle head bolts are a smart investment for any Milwaukee-Eight owner looking to improve the long-term durability of their motor. Their robust construction and thoughtful design make them suitable for both street and track use, ensuring peace of mind when you twist the throttle.

Specifications

  • Brand: S&S Cycle
  • Manufacturer Part #: 900-1006
  • Material: Heat-treated 8640 steel
  • Tensile Strength: 200,000 psi
  • Head Size: 9/16 in. 12-point
  • Weight: 2.3 lb
  • Category: Fabrication / Bolts

Common questions

What makes these bolts stronger than stock?

These S&S Cycle head bolts are manufactured from heat-treated 8640 steel, which provides a significant increase in ultimate tensile strength compared to OEM bolts, making them more resilient under stress.

Do these head bolts come with washers?

Yes, these S&S Cycle head bolts feature an integral washer as part of their 12-point design, ensuring proper load distribution during installation.

Are these bolts reusable?

Yes, these head bolts are designed to be reusable, which can be a convenience during future engine maintenance or performance upgrades.

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.
BRANDS&S Cycle
TYPEBolts
SKUT14-662066
WEIGHT2.3 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.67
3 RATINGS
5★ 2
4★ 1
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Apr 23, 2023

Awesome service..prompt ..friendly

— Tom H. H
✓ VERIFIED
Jan 11, 2022

So much better than stock.

— Anonymous
✓ VERIFIED
Jun 22, 2020

Looks great but haven’t fitted them yet

— Anonymous