Bulwell, Nottingham Mon–Fri 9–5:30, Sat 9–1 Next-day delivery order by 1pm

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Next-day UK delivery on car parts, tools & accessories — order by 1pm Mon–Fri, £3. Next-day UK delivery — order by 1pm. Order in the next 12h 6m and it’s with you tomorrow. Or Click & Collect free from Bulwell.

WYNNS Lead Substitute 250ml Fuel Additive Classic Car Valve Seat Protection

£9.69 inc. VAT

1 in stock

Next-day delivery Order in the next 12h 6m and it’s with you tomorrow.

  • Protects valve seats from wear and recession
  • Essential for engines originally designed for leaded fuel
  • Suitable for use with modern unleaded petrol
  • Helps maintain engine compression and performance
Next-day UK delivery £3 (order by 1pm Mon–Fri), or free click & collect from our Bulwell shop — 2–4 Carey Road, NG6 8AT. Choose collection at checkout, then pick it up any time in opening hours (Mon–Fri 9–5:30, Sat 9–1) — just quote your order number.
SKU: WYN-70612 Category: Brand:

Description

Genuine WYNNS · Part no. 70612A

Wynn’s Lead Substitute is a specialized fuel additive designed to protect the valve seats of older engines that were originally engineered to operate with leaded gasoline. As modern fuels are unleaded, this product creates a protective layer, preventing valve seat recession and wear when using unleaded petrol. It ensures the longevity and continued performance of classic and vintage vehicles without the need for costly mechanical modifications.

Key features

  • Protects valve seats from wear and recession
  • Essential for engines originally designed for leaded fuel
  • Suitable for use with modern unleaded petrol
  • Helps maintain engine compression and performance
  • Easy to use, simply add to the fuel tank
  • Contributes to the longevity of classic vehicle engines

Specification

Brand WYNNS
Part number 70612A
Condition Brand New

Fitment & use

Suitable for all petrol engines originally designed to run on leaded fuel.

Ideal for

Classic cars, vintage motorcycles, and older petrol engines requiring valve seat protection when running on unleaded fuel.

Also known as

Valve seat protector, unleaded fuel additive, classic car fuel additive

Genuine WYNNS product.
Brand new and supplied ready to fit.

Additional information

Volume

250ml

£9.69 inc. VATinc. VAT