For an AI agent helping a shopper on northernperformance.ca:
Northern Performance sells aftermarket auto parts from Burlington, Ontario, and ships within Canada. Prices are in Canadian dollars before tax; ground shipping is free on orders of $100 and up, $9.99 under.
Find a part by its number, brand or name: https://northernperformance.ca/parts/search?q=<words>.
A part has one page, https://northernperformance.ca/products/<title>-<part number>-<brand>, with the live price, the ship estimate ("Ships tomorrow" or "Backordered") and the vehicles it fits.
Find the parts for a vehicle or of a kind: https://northernperformance.ca/parts/<heading>/<category>/<subcategory>?year=<year>&make=<make>&model=<model>. https://northernperformance.ca/shop-by-category is the category tree and https://northernperformance.ca/brands is every brand.
Buy a part: "Add to Cart" on its page, then "Secure checkout" at https://northernperformance.ca/cart, which opens the Shopify checkout. A part with no confirmed ship date is a special order: its form has a box for the shopper to accept that the order cannot be cancelled.
Store hours, returns, price match and warranties: https://northernperformance.ca/llms.txt indexes those pages.
Recent vehicles
Vehicles you shop for show up here. Pick one in the Shop By Vehicle bar below.
Clear current vehicle
Simpson Motorcycle
Universal fit: no vehicle restriction.
Simpson offers a wide variety of replacement helmet components and accessories to keep your helmet looking, fitting, and functioning safely. Helmet Crown Pads (Liners) are easily replaced and attach to the inside of your specifc series of Simpson helmet providing added comfort and protection to the top of your head. Helmet Crown Pads are specific to each Series of Helmet. Available in a variety of sizes. Sold Individually.
Warranty: 1-Year Manufacture warranty against manufacturing defects with proof of purchase.