--- product_id: 69411628 title: "Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection" brand: "castrol" price: "S$43" currency: SGD in_stock: true reviews_count: 8 category: "Castrol" url: https://www.desertcart.sg/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection store_origin: SG region: Singapore --- # 250ml treats 250L fuel Etha-Guard ethanol stabilizer Ultimate valve seat protection Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection **Brand:** castrol **Price:** S$43 **Availability:** ✅ In Stock ## Summary > 🛠️ Keep your classic running smooth—because your vintage deserves VIP fuel care! ## Quick Answers - **What is this?** Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection by castrol - **How much does it cost?** S$43 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection) ## Best For - castrol enthusiasts ## Why This Product - Trusted castrol brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Engine Armor for Classics:** Protect valve seats from recession with a unique phosphorus formula designed for pre-1996 engines. - • **Optimized for Vintage Power:** Specifically formulated for vehicles with compression ratios under 8:1, ensuring tailored protection. - • **Corrosion? Not on Your Watch:** Keeps your fuel system clean and corrosion-free, extending engine life and performance. - • **Effortless Maintenance Boost:** One 250ml bottle treats 250 litres of fuel—easy dosing for long-lasting engine care. - • **Ethanol Fuel’s Worst Enemy:** Etha-Guard stabilizes E5 & E10 petrol, preventing moisture damage and acidity buildup in your fuel system. ## Overview Valvemaster 250ml Lead Replacement Fuel Additive offers premium valve seat protection and ethanol fuel stabilization for pre-1996 vehicles. Featuring a unique phosphorus formula and Etha-Guard technology, it prevents valve seat recession, corrosion, and acidity caused by ethanol fuels like E5 and E10. One bottle treats 250 litres of petrol, making it an efficient and essential additive for classic car enthusiasts aiming to preserve engine integrity and performance. ## Description Valvemaster provides the best protection against valve seat recession after lead, while keeping your fuel system clean and providing excellent corrosion protection. Particularly suited to older vehicles with a compression ratio less than 8:1. Should only be used in vehicles that are not fitted with a catalytic converter. All products in the Valvemaster Fuel Additive range contain Etha-Guard. Etha-Guard counteracts ethanol’s hygroscopic nature, preventing moisture and damage to your fuel system, stabilising E5 & E10 petrol. 250ml bottle - 1 bottle treats 250 litres of petrol. Review: Brilliant stuff - Brilliant stuff Review: Neutralise that Acid - Too early to say but assume this will work as the Castrol branded product in stopping water absorption and acid production by the ethanol in E5/10 fuel. Price point looks to be around similar products. ## Features - Valvemaster lead replacement the best protection after lead - Ultimate protection against valve seat recession, unique phosphorus formula. Protects your engine under all conditions - *Etha-Guard ethanol stabiliser combats harmful effects of ethanol fuel - Enables ethanol fuel in pre-1996 vehicles. Prevents corrosion in fuel system. Prevents acidity in ethanol fuel - 250ml treats 250 litres ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07CVLP998 | | Best Sellers Rank | 70,076 in Automotive ( See Top 100 in Automotive ) 360 in Fuel Systems | | Brand | Castrol | | Customer Reviews | 4.6 4.6 out of 5 stars (127) | | Date First Available | 3 May 2018 | | Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. | | Item Weight | 270 g | | Manufacturer | Castrol Classic Oils | | Manufacturer part number | 1768 | | Manufacturer reference | 1768 | | Product Dimensions | 5 x 5 x 21 cm; 270 g | ## Images ![Classic Valvemaster 250ml Lead Replacement Fuel Additive with Ethanol Protection - Image 1](https://m.media-amazon.com/images/I/51lBwRq43DL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Brilliant stuff *by C***R on 25 September 2025* Brilliant stuff ### ⭐⭐⭐⭐⭐ Neutralise that Acid *by M***T on 4 July 2025* Too early to say but assume this will work as the Castrol branded product in stopping water absorption and acid production by the ethanol in E5/10 fuel. Price point looks to be around similar products. ### ⭐⭐⭐⭐ Works well with super ulp *by M***N on 27 May 2025* Ease of use good figures on lts on top ## Frequently Bought Together - Valvemaster Classic, 250ml - Castrol 1925/7176 Xl20W50 Oil, 1 Liter --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection](https://www.desertcart.sg/products/69411628-classic-valvemaster-250ml-lead-replacement-fuel-additive-with-ethanol-protection) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-23*