Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI
Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI

Fluidampr (P/N 720311) Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI

$1,035.00

In stock — order before 11am AEST for same-day shipping

Fitment: Internal balance. Crank trigger adapter available – Part No. 400309 PART # 720311 Fitment Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI.

SKU: FLU720311 Brand:
Easy returns within 14 days
12 Month Warranty
Tuning & Fitment Available

Free Shipping

Easy returns within 14 days

12 month warranty

Description

Fitment: Internal balance. Crank trigger adapter available – Part No. 400309

PART # 720311
Fitment Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI. Internal balance.
Crank trigger adapter available – Part No. 400309
Bore Diameter 1.5300″
Degree Marking Range 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270
Degree Markings Engraved
Engine Balance Internal
Finish Black Zinc
Keyway Single
Length 2.180″
Material Steel
Mounting Hardware Included No
Outside Diameter 7-1/4″
Pulley Bolt Pattern 6 bolt holes evenly spaced pattern
Safety Rating SFI 18.1
Weight / Rotating Weight 11.8 lbs / 7.9 lbs

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.

PART # 720311 Fitment Chrysler B/RB 350, 361, 383, 400, 413, 440, 426 HEMI. Internal balance. Crank trigger adapter available – Part No. 400309 Bore Diameter 1.5300″ Degree Marking Range 50 BTDC to 10 ATDC.

Additional information

Weight 1.5 kg
Dimensions 25 × 20 × 12 cm

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.

Questions, or need a fitment check?
Send your rego or VIN and our Australian-based team will manually confirm fitment before you buy.
📞 Call (07) 5619 7869✉ Email us
Prefer to text your rego/VIN? 0485 885 957

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