SKU: 81512348335

BIG BOSS™ CRYO‑TREATED DETROIT 60 SERIES HEAD BOLT KIT

Sale price$110.25 Regular price$122.50
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

BIG BOSS™ CRYO‑TREATED DETROIT 60 SERIES HEAD BOLT KITAvailable for: Detroit 60 Series 12. 7L and 14L Engines Key Benefits Maximum clamping force Superior fatigue resistance Thermal Stability Corrosion Protection Ready to Install Kit Warranty: 1 Year Unlimited Mile Warranty Upgrade cylinderhead integrity and lock in longterm performance with PDIs premium cryogenictreated head bolt kit. Engineered for heavyduty powerhouses that run harder and longer, every bolt is precisionmachined, deepfrozen to 300 F,

Available for: Detroit 60 Series 12.7L and 14L Engines

Key Benefits

  • Maximum clamping force 
  • Superior fatigue resistance
  • Thermal Stability
  • Corrosion Protection
  • Ready-to-Install Kit

Warranty: 1 Year Unlimited Mile Warranty

Upgrade cylinder‑head integrity and lock in long‑term performance with PDI’s premium cryogenic‑treated head bolt kit. Engineered for heavy‑duty powerhouses that run harder and longer, every bolt is precision‑machined, deep‑frozen to –300 °F, and slowly tempered back to room temperature—relieving internal stresses and creating a denser, more uniform grain structure. The result? Rock‑solid clamp load you can trust, mile after mile.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 81512348335

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G. E. Gordon
Battle Creek, US
★★★★★ 5
Solid product
Color: Dark Grey Heather, Size: Large
Great feel, great fit. Perfect for layering
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Reviewed in the United States on December 14, 2025
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Amazon Customer
Pawtucket, US
★★★★★ 5
My favorite pullover
Great fit, quality, design, and value. It lightweight but also has a thickness so I can wear it on cool mornings in the Northeast. I highly recommend!
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Reviewed in the United States on February 17, 2026
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Jeffery
Omaha, US
★★★★★ 5
Great Pullover
Color: Light Blue, Size: 3X-Large
Stylish and functional. I'm wearing it right now!
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Reviewed in the United States on May 12, 2026
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kyle
Birmingham, US
★★★★★ 5
Lightweight, and fits great
Color: Olive Green, Size: 3X-Large
Love this hoodie, fits and feels great
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Reviewed in the United States on May 25, 2026
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Amazon Customer
Belleville, US
★★★★★ 5
Great Quality
Color: Misty Grey, Size: X-Large
Great quality product. Washed well and can be worn both in the cool and warmer weather.
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Reviewed in the United States on April 11, 2026

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