Home / Shop By Part Type / Lighting & Electrical / Plug cap, with resistor. Plug cap, with resistor. £6.20 £7.44 (inc. VAT) £8.00 Add to your Wish List Info Reviews Spark plug cap in EPDM rubber with integral 5KOhm resistor; totally waterproof! Fits 6.40mm spark plug nut. Made in Italy. Weight: 0.1kg Condition: New Not yet reviewed Write an online review and share your thoughts with other shoppers! Be the first to review this product.