Colony 8714-20 Big Bore Headbolt & Washer Kit | Panhead & Shovelhead 1948-Up

Give your vintage Harley the strength and reliability it deserves with the Colony 8714-20 Big Bore Headbolt & Washer Kit, designed for 1948-Up Panhead and Shovelhead engines. This premium chrome-plated hardware set delivers the durability needed to secure high-performance big bore cylinders while adding a clean, polished look to your top end.

Manufactured in the USA and machined to precise OEM-style specs, these bolts and washers provide a secure, long-lasting fit that resists stretching, corrosion, and vibration. Perfect for engine rebuilds, performance upgrades, or restoration projects.

Why Riders Choose This Kit

• ✔ Built for big bore top ends on 1948-Up Panhead & Shovelhead engines

• ✔ High-strength chrome-plated bolts for durability and corrosion resistance

• ✔ Exact OEM-style fitment for proper torque and sealing

• ✔ Ideal for engine rebuilds, restorations, and performance upgrades

• ✔ Made in the USA with Colony’s trusted quality

What’s Included

• Chrome-plated big bore headbolts

• Matching hardened washers
  (Contents match Colony kit specifications)

Perfect For

Riders who want strong, reliable, and great-looking headbolt hardware for their classic Harley-Davidson Panhead or Shovelhead.