Description
Power Driven Diesel | Hardened Chromoly Spring Retainers – 6BT
PDD Hardened Chromoly spring retainers
Oxide coated hardened chromoly steel retainers
10º locks
40 grams
Good for long term reliability up to 4200RPM with Cummins 60b. valve springs
This is underrating the springs a little, if you plan on going over 4200rpm do so with caution or upgrade to our conical springs.
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.
Power Driven Diesel | Hardened Chromoly Spring Retainers – 6BT PDD Hardened Chromoly spring retainers Oxide coated hardened chromoly steel retainers 10º locks 40 grams Good for long term reliability up to 4200RPM with Cummins 60b. valve springs This is underrating the springs a little, if you plan on going over 4200rpm do so with caution or upgrade to our conical springs.
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.