{"title":"Engine \u0026 Cooling Additives","description":null,"products":[{"product_id":"radiator-stop-leak-tablets","title":"Rislone Radiator Stop Leak Tablets – 50g","description":"\u003cp\u003eCompact tablets that dissolve in the cooling system to seal small leaks and condition the system against future corrosion — a proven, glovebox-friendly fix for older vehicles. Compatible with all coolant types.\u003c\/p\u003e\u003cp\u003e50g pack.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582517550,"sku":"41177","price":110.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41177-Front.png?v=1773945706"},{"product_id":"liquid-aluminum-radiator-stop-leak","title":"Rislone Liquid Aluminum Radiator Stop Leak – 479g","description":"\u003cp\u003eA stop leak compatible with water and all antifreeze coolants that seals radiator, heater core, gasket and freeze-plug leaks quickly and safely. One easy step — no draining of the cooling system required.\u003c\/p\u003e\u003cp\u003e479g bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582550318,"sku":"41186","price":230.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41186_web.png?v=1773945707"},{"product_id":"radiator-stop-leak","title":"Rislone Radiator Stop Leak – 325ml","description":"\u003cp\u003eA trusted quick fix for minor cooling system leaks in radiators, gaskets, heater cores and welch plugs. Compatible with all coolant types — simply pour into the system.\u003c\/p\u003e\u003cp\u003e325ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582583086,"sku":"41196","price":130.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41196_website.png?v=1773945708"},{"product_id":"radiator-cleaner-and-super-flush","title":"Rislone Radiator Cleaner and Super Flush – 340ml","description":"\u003cp\u003eA cooling system cleaner and flush that removes rust, scale and residue from the entire system, restoring proper coolant flow and heat transfer — the right preparation before a coolant change.\u003c\/p\u003e\u003cp\u003e340ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582648622,"sku":"41212","price":150.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41212-Front_web.jpg?v=1773945709"},{"product_id":"hy-per-cool-by-rislone-super-coolant","title":"Rislone Hy-per Cool Super Coolant – 473ml","description":"\u003cp\u003eA coolant additive that improves the heat transfer of your cooling system fluid, helping reduce overall engine temperatures — performance proven in independent dyno testing. Works with water and all antifreeze types; ideal for hot climates, towing and performance driving.\u003c\/p\u003e\u003cp\u003e473ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582714158,"sku":"41300","price":245.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41300_kweb.png?v=1773945710"},{"product_id":"liquid-copper-block-seal-intake-and-radiator-stop-leak","title":"Rislone Liquid Copper Block Seal Intake \u0026 Radiator Stop Leak – 383g","description":"\u003cp\u003eA heavy-duty formula that tackles larger cooling system leaks — including engine block cracks and head gasket seepage — by forming a reinforced seal with synthetic fibres at the point of the leak. One step, no draining required.\u003c\/p\u003e\u003cp\u003e383g bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582812462,"sku":"41108","price":220.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/Rislone-Block-Seal_web.png?v=1773945712"},{"product_id":"head-gasket-fix","title":"Rislone Head Gasket Fix – 680g","description":"\u003cp\u003eA pour-and-go formula engineered to help seal head gasket coolant leaks without draining the cooling system. Suitable for petrol and diesel engines, and an economical step to try before committing to major mechanical repair.\u003c\/p\u003e\u003cp\u003e680g bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582845230,"sku":"41111","price":765.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/41111web.png?v=1773945713"},{"product_id":"engine-treatment-conditioner-and-cleaner","title":"Rislone Engine Treatment Conditioner \u0026 Cleaner – 500ml","description":"\u003cp\u003eA concentrated engine oil treatment that helps clean out and prevent sludge, quieten noisy lifters and valves, and reduce friction and wear. Add at any time or with an oil change; safe with all conventional and synthetic oils.\u003c\/p\u003e\u003cp\u003e500ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582877998,"sku":"44102","price":170.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44102-Front_web.png?v=1773945714"},{"product_id":"engine-repair","title":"Rislone Engine Repair – 500ml","description":"\u003cp\u003eA blend of performance additives designed to address common oil-related problems in worn engines — helping restore compression, quieten noisy components and reduce leaks, smoke and oil burning. Add to engine oil; works with all mineral and synthetic oils.\u003c\/p\u003e\u003cp\u003e500ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582910766,"sku":"44110","price":360.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44110-1.png?v=1773945715"},{"product_id":"engine-oil-supplement-stabilizer","title":"Rislone Engine Oil Supplement Stabilizer – 500ml","description":"\u003cp\u003eAn oil supplement formulated for higher-mileage engines: it strengthens the oil film to help reduce friction, wear, noise and oil consumption, and can help eliminate dry starts. Compatible with mineral and synthetic oils in petrol and diesel engines.\u003c\/p\u003e\u003cp\u003e500ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859582943534,"sku":"44200","price":265.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44200-Front_web.png?v=1773945716"},{"product_id":"rislone-valve-seal-oil-consumption-repair","title":"Rislone Valve Seal Oil Consumption Repair – 500ml","description":"\u003cp\u003eTargets oil consumption caused by worn valve stem seals and guides, helping reduce oil burning, smoking on start-up and constant top-ups between services. Add to engine oil in petrol or diesel engines.\u003c\/p\u003e\u003cp\u003e500ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859583009070,"sku":"44223","price":525.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44223_Box_Bottle_Web-1.png?v=1773945717"},{"product_id":"concentrated-rear-main-seal-repair","title":"Rislone Concentrated Rear Main Seal Repair – 500ml","description":"\u003cp\u003eA concentrated oil additive developed to help recondition hardened or shrunken rear main and other engine seals, reducing or stopping oil leaks without mechanical repair. Simply add to engine oil in petrol or diesel engines.\u003c\/p\u003e\u003cp\u003e500ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859583041838,"sku":"44240","price":240.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44240_web.png?v=1773945718"},{"product_id":"rislone-one-seal-stop-leak","title":"Rislone One Seal Stop Leak – 325ml","description":"\u003cp\u003eA triple-concentrated universal stop leak that works in engine oil, transmission fluid and power steering fluid to help stop seal and gasket leaks — one bottle covering multiple systems.\u003c\/p\u003e\u003cp\u003e325ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859583107374,"sku":"44334","price":155.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/44334.png?v=1773945719"},{"product_id":"hy-per-lube-zinc-zddp-supplement","title":"Rislone Hy-per Lube ZINC ZDDP Supplement – 325ml","description":"\u003cp\u003eAdds genuine ZDDP zinc anti-wear protection back into modern engine oils — essential for older engines with flat-tappet camshafts, and valuable in performance and heavy-duty applications. Helps reduce friction, wear and operating temperatures.\u003c\/p\u003e\u003cp\u003e325ml bottle.\u003c\/p\u003e","brand":"Rislone","offers":[{"title":"Default Title","offer_id":51859583140142,"sku":"4405","price":300.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/3905\/4126\/files\/Rislone-44405_ZDDP_web.png?v=1773945720"},{"product_id":"ring-seal-smoke-repair","title":"Rislone Ring Seal Smoke Repair – 473ml","description":"\u003cp\u003eFormulated to reduce blue exhaust smoke and oil burning by helping seal worn rings and cylinders and reinforcing the oil film in high-mileage engines. 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