FORD SIERRA RS COSWORTH RS 500 SIERRA SAPHIRE 2.0 16V 10mm HIGH PERFORMANCE HT IGNITION LEADS FORD SIERRA RS COSWORTH RS 500 SIERRA SAPHIRE RS COSWORTH 10MM HIGH PERFORMANCE HT IGNITION LEADS Brand New Custom Made To Order! Product Overview; * Upgrade your vehicle for improved performance with 10mm High Performance Ignition Leads which give a much stronger spark where its needed. * The improved power delivered to the spark plug will give a much-improved combustion compared to standard type leads * Minimal Power Loss, only a 1-2% power loss compared to 15-18% from standard leads. Also you will gain; * Improved Engine Performance * Improved throttle Response * Improved Fuel Consumption * Eliminate starting problems caused by Cold-start despite damp, cold or hot weather conditions that could otherwise affect aged ignition leads. Our 10mm High Performance multi core Race Quality HT Ignition Leads are individually custom made to measure for your car, so they will fit like oem parts. Technical Specifications; * Oil, Fuel and Heat resistant. * Extremely well insulated-well in excess of 50KV. * Excellent spark quality and Very low resistance-275ohms/metre. * The centre is made of Kevlar, it then has stainless steel wiring wrapped around that, 70 windings per millimetre. * EPDM silicone inner insulation. * High temperature silicone plug boots with grip ribs. * Specific OHM resistance for hotter spark at plug. * Can carry up to 90,000 volts with an engine compartment temperature of up to 400c Available in BLUE, RED, BLACK. Let us know the colour you require and engine code/number or your exact model at checkout in the notes. This set of leads is for 4 cylinder 16v models as displayed. All leads are custom made to order and will be dispatched 1-3 working days after payment has cleared and confirmation of the required colour and the engine code. Please confirm 2 or 4 wheel drive. See Part-Werks shop for more Performance Parts.