--- product_id: 5268581 title: "Bar's Leaks Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow" brand: "rislone" price: "92.98 DT" currency: TND in_stock: true category: "Rislone" url: https://www.desertcart.tn/products/5268581-bars-leaks-rislone-4405-engine-oil-supplement-concentrate-with-zinc store_origin: TN region: Tunisia --- # Extends engine life with thermal stability Reduces friction & wear at startup Boosts Zinc & Phosphorus for engine protection Bar's Leaks Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow **Brand:** rislone **Price:** 92.98 DT **Availability:** ✅ In Stock ## Summary > ⚡ Power up your engine’s lifespan with every drop! ## Quick Answers - **What is this?** Bar's Leaks Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow by rislone - **How much does it cost?** 92.98 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/5268581-bars-leaks-rislone-4405-engine-oil-supplement-concentrate-with-zinc) ## Best For - rislone enthusiasts ## Why This Product - Trusted rislone brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Friction Fighter:** Minimizes dry starts and reduces friction for a cooler, longer-lasting engine. - • **Ultimate Engine Shield:** ZDDP zinc and phosphorus additives protect critical engine parts from wear and tear. - • **Made in the USA Quality:** Trusted, high-performance formula with a strong 4.7-star rating from over 2,000 users. - • **Thermal Stability Boost:** Prevents oil viscosity breakdown under extreme conditions, ensuring consistent performance. - • **Universal Compatibility:** Works seamlessly with all car engines, making older oils perform like new. ## Overview Bar's Leaks Rislone 4405 is an 11 oz engine oil supplement concentrate enriched with ZDDP zinc and phosphorus additives. Designed to reduce friction, prevent piston scuffing, and stabilize oil viscosity, it protects vital engine components and extends engine life. Compatible with all car engines, this high-performance formula is made in the USA and highly rated by thousands of users. ## Description Hy-Per Lube By Rislone Concentrated Oil Supplement With Zinc Treatment Is A Petroleum Oil Performance Supplement "Booster" Containing Zddp (Zinc Dialkyldithiophosphate). Zinc And Phosphorus Ep (Extreme Pressure) Additives Help Protect Internal Engine Components Including Pistons, Flat Tappet Camshafts, Lifters, Pushrod Tips And The Rest Of The Valve Train. High Performance Formula Stabilizes The Motor Oil To Ensure Against Viscosity And Thermal Breakdown. Reduces Friction And Wear, Especially At Start-Up, Helping To Eliminate Dry Starts. Less Friction Means Less Wear And A Cooler Running, Longer Lasting Engine. Makes Newer Oils Work In Older Engines. ## Features - BOOSTS ZINC AND PHOSPHOROUS LEVELS: A petroleum oil performance “booster” containing ZDDP (zinc dialkyldithiophosphate) Zinc and Phosphorous EP (extreme pressure) additives along with mixed esters to help protect internal engine components including pistons, flat tappet camshafts, lifters, pushrod tips and the rest of the valve train. - REDUCES FRICTION AND WEAR: Especially at start-up, helping to eliminate dry starts. Less friction means less wear and a cooler running, longer lasting engine. - REDUCES PISTON SCUFFING: High performance formula stabilizes the motor oil to insure against viscosity and thermal breakdown. - INCREASES ENGINE LIFE: Clinging action keeps bearings and other internal engine parts lubricated where normal oil fails. - Made in the USA ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0075559UY | | Automotive Fit Type | Universal Fit | | Best Sellers Rank | #6,858 in Automotive ( See Top 100 in Automotive ) #14 in Engine & Oil Fluid Additives #111 in Motor Oils | | Brand Name | Rislone | | Compatible with Vehicle Type | Car | | Container Type | Bottle | | Customer Reviews | 4.7 4.7 out of 5 stars (2,166) | | Global Trade Identification Number | 00078615044054 | | Included Components | 1 Bottle Rislone 4405 Engine Oil Supplement, 11oz | | Item Type Name | Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz. | | Liquid Volume | 11 Fluid Ounces | | Manufacturer | Rislone | | Manufacturer Part Number | 4405 | | Manufacturer Warranty Description | No | | Model Number | 4405 | | Size | 1 Pack | | UPC | 078615044054 | | Unit Count | 11.0 Fluid Ounces | ## Product Details - **Brand:** Rislone - **Liquid Volume:** 11 Fluid Ounces - **Package Information:** Bottle - **UPC:** 078615044054 - **Vehicle Service Type:** Car ## Images ![Bar's Leaks Rislone 4405 Engine Oil Supplement Concentrate with Zinc Treatment - 11 oz, Yellow - Image 1](https://m.media-amazon.com/images/I/51zHGFX6GjL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: is this good for modern cars? whats zddp for** A: Answers one and two are correct. Older engines (classic cars for the most part) with older style tappets. This is an oil additive. Has nothing to to with fuel system ant Cats. nor is their any such precaution from the manufacturer. **Q: Can you use it with syntetic oil?** A: Yes, Rislone is compatible with and works with all petroleum-based motor oils including conventional, high mileage and synthetic formulas.Eric **Q: Can you use this in atv engines?** A: Yes..... It is compatible with all motor oils..... and engines..... Use an appropriate amount... Smaller engines of course wouldn't need the entire bottle at once. **Q: How much zinc is in this? The back of the bottle does not tell you the numbers only oil dilutions directions.** A: Its enough zinc to protect your engine from excessive friction, for one oil cycle or 3000 miles. ## Frequently Bought Together - Rislone 4405 Hy-per Lube Zinc ZDDP Supplement, 11 oz. | Real ZDDP Zinc Additive - Valvoline VR1 Racing SAE 20W-50 Motor Oil 5 QT - Motorcraft FL-1A Oil Filter --- ## 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.tn/products/5268581-bars-leaks-rislone-4405-engine-oil-supplement-concentrate-with-zinc](https://www.desertcart.tn/products/5268581-bars-leaks-rislone-4405-engine-oil-supplement-concentrate-with-zinc) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-08*