• R5671A-10 NGK racing spark plug
  • R5671A-10 NGK racing spark plug firing end
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R5671A-10 NGK Standard Racing Spark Plug | Genuine NGK Spark Plug

R5671A-10 NGK Standard Racing Spark Plug | Genuine NGK Spark Plug

$18.00 AUD
$18.00 AUD
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✓ Authorised Volvo Penta Dealer · Marine & auto specialists · Ships Australia-wide

🔧 Product Description

NGK Standard Racing Spark Plug – Part Number: R5671A-10

NGK racing spark plugs are built for sustained high-RPM, high-temperature competition use, with precious-metal electrodes and cold heat ranges chosen for heavily loaded engines. Racing plugs are application-specific – heat range selection is critical, so confirm the specification for your engine before fitting.

⚙️ Key Features

  • Competition-grade construction for sustained high RPM and cylinder temperatures
  • Cold heat range for heavily loaded engines
  • Pure alumina silicate ceramic insulator, providing superior strength and better heat transfer
  • Triple seals prevent leakage

📏 Specifications

  • NGK stock number: 5820
  • Thread: Racing Spark Plugs
  • Reach: 19 mm (3/4 in)
  • Hex: 16 mm (5/8 in)
  • Seat: Gasket
  • Terminal: Solid
  • Type: V-Power Non-Resistor

🚘 Application

NGK lists the principal application for this plug as: Racing Use.

Ask us to confirm the exact fit for your equipment.

🔄 Supersession & Cross Reference

NGK's cross-reference tables list this plug against these part numbers.

  • Champion: 294, 686, 693, C55C, C55CX, C57, C57C, C57CX
  • Autolite: 2592, 2612, 3932, AR3931, AR3932, AR3932X
  • Bosch: F2CS, W2C, W2C0, W2CC
  • ACDelco: S40XL
  • Accel: 761

📦 Condition

  • Brand new genuine product
  • Supplied in original packaging

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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