{"title":"Best sellers","description":null,"products":[{"product_id":"wideband-afr-gauge","title":"Wideband AFR gauge","description":"\u003cp\u003eTake control of your engine’s fuelling with the Defiant Wideband AFR Gauge—a race-focused monitoring solution designed for drivers, tuners, and performance enthusiasts who demand clear and accurate data on track.\u003c\/p\u003e\n\u003cp\u003eUsing a Bosch LSU 4.9 lambda sensor, the Defiant gauge provides real-time monitoring of your engine’s mixture, allowing you to keep a close eye on fuelling during testing, tuning, and competition use. View Air-Fuel Ratio (AFR), Lambda, or O₂ percentage to suit your preferred setup and tuning requirements.\u003c\/p\u003e\n\u003cp\u003eSupplied as a complete installation package, the Defiant Wideband AFR Gauge includes the gauge, Bosch LSU 4.9 sensor, and wiring harness—everything needed to integrate wideband monitoring into your race or performance vehicle.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003e• Real-time monitoring of AFR, Lambda, and O₂%\u003c\/p\u003e\n\u003cp\u003e• Bosch LSU 4.9 wideband lambda sensor\u003c\/p\u003e\n\u003cp\u003e• Clear, easy-to-read display\u003c\/p\u003e\n\u003cp\u003e• Ideal for motorsport, track cars, tuning, and engine diagnostics\u003c\/p\u003e\n\u003cp\u003e• Helps monitor fuelling under demanding driving conditions\u003c\/p\u003e\n\u003cp\u003e• Complete kit with gauge, sensor, and wiring harness\u003c\/p\u003e\n\u003cp\u003eKit Includes\u003c\/p\u003e\n\u003cp\u003e• Defiant Wideband AFR Gauge\u003c\/p\u003e\n\u003cp\u003e• Bosch LSU 4.9 lambda sensor\u003c\/p\u003e\n\u003cp\u003e• Wiring harness\u003c\/p\u003e\n\u003cp\u003eWhether you’re fine-tuning a competition engine, carrying out track testing, or monitoring fuelling during hard driving, the Defiant Wideband AFR Gauge gives you the information you need when it matters most.\u003c\/p\u003e","brand":"Defiant Race Supplies","offers":[{"title":"Default Title","offer_id":67627132813446,"sku":null,"price":2850.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/3650\/9062\/files\/41AD8823-54DC-47BF-8173-2BF0CA782585.png?v=1791397056"},{"product_id":"defiant-weld-on-steering-quick-release","title":"Defiant Weld on steering quick release","description":"\u003cp\u003eDefiant Weld-On Steering Wheel Quick Release\u003c\/p\u003e\n\u003cp\u003eMake steering wheel removal quick and effortless with the Defiant Weld-On Steering Wheel Quick Release. Designed for motorsport and competition vehicles, this lightweight aluminium quick-release unit allows rapid steering wheel changes and easy access in and out of the vehicle.\u003c\/p\u003e\n\u003cp\u003eThe quick release features a standard 6 x 70 mm bolt pattern, making it compatible with most aftermarket and motorsport steering wheels. It is supplied with a stainless-steel 16 x 25 mm spigot, which can be welded directly to the steering column.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003c\/p\u003e\n\u003cp\u003e• Lightweight aluminium construction\u003c\/p\u003e\n\u003cp\u003e• Weld-on design for motorsport applications\u003c\/p\u003e\n\u003cp\u003e• Standard 6 x 70 mm steering wheel bolt pattern\u003c\/p\u003e\n\u003cp\u003e• Compatible with most steering wheels\u003c\/p\u003e\n\u003cp\u003e• Includes 16 x 25 mm stainless-steel weld-on spigot\u003c\/p\u003e\n\u003cp\u003e• Allows fast steering wheel removal\u003c\/p\u003e\n\u003cp\u003e• Ideal for race, rally, track, and competition cars\u003c\/p\u003e\n\u003cp\u003eKit Includes\u003c\/p\u003e\n\u003cp\u003e• Aluminium steering wheel quick-release unit\u003c\/p\u003e\n\u003cp\u003e• Stainless-steel 16 x 25 mm weld-on spigot\u003c\/p\u003e\n\u003cp\u003eImportant: Welding and installation should be carried out by a suitably qualified person. The steering system is a safety-critical component, so all installation work must be completed to a high standard and thoroughly checked before use.\u003c\/p\u003e","brand":"Defiant Race Supplies","offers":[{"title":"Default Title","offer_id":67627145986182,"sku":null,"price":1099.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/3650\/9062\/files\/24FB7490-2671-4AED-8BDF-9711D2EFB2C8.png?v=1791397013"},{"product_id":"e95-ethanol-25l","title":"E95 Ethanol 25L","description":"\u003cp\u003eUnleash the potential of your competition engine with E95 Ethanol Racing Fuel—a high-octane, oxygenated fuel designed for serious racing applications. With approximately 95% ethanol content, E95 helps provide strong knock resistance, a cooler intake charge, and the performance potential required for high-compression, turbocharged, and supercharged engines.\u003c\/p\u003e\n\u003cp\u003eIdeal for circuit racing, drag racing, rally, drift, and other motorsport applications, E95 allows engines to run increased boost, ignition timing, or compression when correctly calibrated by a professional tuner.\u003c\/p\u003e\n\u003cp\u003eKey Specifications\u003c\/p\u003e\n\u003cp\u003e• Approximately 95% ethanol content\u003c\/p\u003e\n\u003cp\u003e• High octane rating—typically around 105–109 RON, depending on formulation\u003c\/p\u003e\n\u003cp\u003e• High oxygen content for improved combustion potential\u003c\/p\u003e\n\u003cp\u003e• High latent heat of vaporisation for a cooler intake charge\u003c\/p\u003e\n\u003cp\u003e• Lower energy density than petrol, requiring increased fuel flow\u003c\/p\u003e\n\u003cp\u003e• Consistent performance when stored and handled correctly\u003c\/p\u003e\n\u003cp\u003e• Specification may vary—always refer to the product SDS and batch documentation\u003c\/p\u003e\n\u003cp\u003ePerformance Advantages\u003c\/p\u003e\n\u003cp\u003e• Excellent resistance to detonation and knock\u003c\/p\u003e\n\u003cp\u003e• Supports higher compression ratios\u003c\/p\u003e\n\u003cp\u003e• Suitable for increased turbocharger or supercharger boost\u003c\/p\u003e\n\u003cp\u003e• Helps reduce intake charge temperatures\u003c\/p\u003e\n\u003cp\u003e• Can support more aggressive ignition timing when professionally calibrated\u003c\/p\u003e\n\u003cp\u003e• Provides strong torque and power potential\u003c\/p\u003e\n\u003cp\u003e• Renewable fuel component with reduced fossil-carbon content compared with conventional petro\u003c\/p\u003e\n\u003cp\u003e• Ideal for dedicated competition engines and motorsport fuel systems\u003c\/p\u003e\n\u003cp\u003eImportant Considerations\u003c\/p\u003e\n\u003cp\u003eE95 requires a fuel system and engine calibration specifically designed for high-ethanol fuel. It may require:\u003c\/p\u003e\n\u003cp\u003e• Larger injectors or increased fuel flow capacity\u003c\/p\u003e\n\u003cp\u003e• An ECU calibration specifically matched to E95\u003c\/p\u003e\n\u003cp\u003e• Ethanol-compatible fuel lines, seals, pumps, and tanks\u003c\/p\u003e\n\u003cp\u003e• Careful fuel storage to minimise water absorption\u003c\/p\u003e\n\u003cp\u003e• Additional attention to cold starting and warm-up\u003c\/p\u003e\n\u003cp\u003e• More frequent inspection of fuel-system components\u003c\/p\u003e\n\u003cp\u003eBecause ethanol contains less energy per litre than petrol, fuel consumption may increase by approximately 25–35%, depending on the engine, tune, and operating conditions.\u003c\/p\u003e\n\u003cp\u003eE95 is intended for motorsport and competition use. It should not be used in a vehicle unless the manufacturer’s compatibility requirements have been confirmed. Always use appropriate protective equipment, follow the product safety data sheet, and have the engine calibrated by a qualified motorsport tuner.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Defiant Race Supplies","offers":[{"title":"Default Title","offer_id":67631169077382,"sku":null,"price":720.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/3650\/9062\/files\/5859C611-3EED-4097-AF55-FDB6B48A4E13.png?v=1791406289"},{"product_id":"m1-methanol-25l","title":"M1 Methanol 25L","description":"\u003cp\u003eGive your performance engine an extra layer of protection and power potential with Methanol. Designed for use in water\/methanol injection systems, this high-performance fluid helps reduce intake-charge temperatures and suppress detonation under high-load conditions.\u003c\/p\u003e\n\u003cp\u003eIdeal for turbocharged and supercharged race cars, methanol injection can help maintain more consistent performance during hard acceleration, qualifying laps, drag runs, and extended track sessions. When correctly installed and professionally calibrated, it allows suitable engines to operate with increased boost and more aggressive ignition timing.\u003c\/p\u003e\n\u003cp\u003eKey Specifications\u003c\/p\u003e\n\u003cp\u003e• Methanol-based injection fluid\u003c\/p\u003e\n\u003cp\u003e• Chemical formula: CH₃OH\u003c\/p\u003e\n\u003cp\u003e• Suitable for compatible water\/methanol injection systems\u003c\/p\u003e\n\u003cp\u003e• Rapid evaporation for effective charge cooling\u003c\/p\u003e\n\u003cp\u003e• High latent heat of vaporisation\u003c\/p\u003e\n\u003cp\u003e• Designed for high-load and high-boost applications\u003c\/p\u003e\n\u003cp\u003e• Helps provide consistent fluid delivery when used with a suitable pump and injector nozzle\u003c\/p\u003e\n\u003cp\u003e• Exact purity and specification may vary—always check the supplier’s technical data sheet\u003c\/p\u003e\n\u003cp\u003ePerformance Advantages\u003c\/p\u003e\n\u003cp\u003e• Helps reduce intake-air temperatures\u003c\/p\u003e\n\u003cp\u003e• Supports improved resistance to detonation and knock\u003c\/p\u003e\n\u003cp\u003e• Can help control combustion temperatures\u003c\/p\u003e\n\u003cp\u003e• Allows more consistent performance during repeated hard use\u003c\/p\u003e\n\u003cp\u003e• Supports increased boost pressure when professionally tuned\u003c\/p\u003e\n\u003cp\u003e• May allow more aggressive ignition timing on compatible engines\u003c\/p\u003e\n\u003cp\u003e• Helps protect performance engines from heat-soak-related power los\u003c\/p\u003e\n\u003cp\u003e• Ideal for turbocharged, supercharged, drag, drift, rally, and circuit racing applications\u003c\/p\u003e\n\u003cp\u003eDesigned for Racing Applications\u003c\/p\u003e\n\u003cp\u003eMethanol injection is particularly useful for engines operating under demanding conditions, including:\u003c\/p\u003e\n\u003cp\u003e• High boost pressure\u003c\/p\u003e\n\u003cp\u003e• High intake temperatures\u003c\/p\u003e\n\u003cp\u003e• Extended full-throttle operation\u003c\/p\u003e\n\u003cp\u003e• High-compression or aggressively tuned setups\u003c\/p\u003e\n\u003cp\u003e• Track and drag racing applications\u003c\/p\u003e\n\u003cp\u003e• Vehicles using forced induction\u003c\/p\u003e\n\u003cp\u003eFor best results, the system should be correctly sized and calibrated to the engine’s airflow, boost pressure, and fuel strategy. A failsafe system is strongly recommended to reduce engine risk if the methanol supply, pump, or injector develops a fault.\u003c\/p\u003e\n\u003cp\u003eImportant Installation Requirements\u003c\/p\u003e\n\u003cp\u003eBefore use, confirm compatibility with:\u003c\/p\u003e\n\u003cp\u003e• The methanol injection pump\u003c\/p\u003e\n\u003cp\u003e• Injection nozzles and fittings\u003c\/p\u003e\n\u003cp\u003e• Reservoir and fluid lines\u003c\/p\u003e\n\u003cp\u003e• Seals, filters, and electrical components\u003c\/p\u003e\n\u003cp\u003e• The vehicle’s ECU and tuning strategy\u003c\/p\u003e\n\u003cp\u003eThe engine should be calibrated by a qualified motorsport tuner. Methanol injection is an engine-management aid, not a substitute for correct fuelling, cooling, or engine calibration.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Defiant Race Supplies","offers":[{"title":"Default Title","offer_id":67631170519174,"sku":null,"price":650.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0715\/3650\/9062\/files\/29C22542-2370-4D8B-AF93-4F3C9A0783FD.png?v=1791406641"}],"url":"https:\/\/defiantracesupplies.co.za\/collections\/best-sellers.oembed","provider":"Defiant Race Supplies","version":"1.0","type":"link"}