Description
High Strength Bolt Kits
For secure installation and peace-of-mind when further modifying your diesel engine, a new High Strength Bolt Kit is recommended.
Available for 5.9L / 6.7L Cummins up to 700 hp / 1,250 ft-lbs torque .
Each kit features heat treated, high strength extended length bolt(s) from ARP® and a .010” thick diamond impregnated friction washer.
Champion diesel engine builders continue to push new records using a Fluidampr Performance Diesel damper.
To exceed their requests to provide the industry’s leading damper, Fluidampr proudly offers new hardware kits and installation recommendations to further achieve long term performance and durability.
These kits were developed and tested in conjunction with several leading competitors of the Ultimate Callout Challenge.
Shipped Australia-Wide
- Dispatched from within Australia with tracking.
- Same-day dispatch on in-stock orders placed before 11am AEST, Monday–Friday.
- Shipping is calculated at checkout based on size, weight and your delivery address.
- Estimated delivery 2–7 business days depending on your location.
Freight question? Call us on (07) 5619 7869.
High Strength Bolt Kits For secure installation and peace-of-mind when further modifying your diesel engine, a new High Strength Bolt Kit is recommended. Available for 5.9L / 6.7L Cummins up to 700 hp / 1,250 ft-lbs torque .
Double Duty Diesel — Manufacturer Pass-Through Warranty
Double Duty Diesel parts carry the original manufacturer's warranty:
- Fluidampr — Lifetime warranty on harmonic balancers
- MAHLE / Clevite — 12 months on bearings, gaskets, sealing components
- Dynomite Diesel — 12 months on stock-spec injectors and pumps; performance/race spec varies
- Power Driven Diesel — 12 months on turbos and bundled tuning kits
- Returns must be notified within 30 days of delivery
- Parts only — installation not covered
Workshop fitment available at Willys for transmissions, injectors and engine internals.
Read the full Double Duty Diesel warranty terms →
Warranty claims are coordinated through Willys Workshop. Email sales@willysworkshop.com.au or call Warana (07) 5619 7869 / Oxley (07) 3377 3421 with your order number and a description of the issue.
