The left flywheel pictured is the sooner Silvertop style while the ideal would be the lightened Blacktop. Anodizing is done in dwelling with state with the art products and we hold inventory of most popular colour's. They aren't interchangeable without modifications on the wiring loom / harness. See out Workshop https://caidenyskdv.blogerus.com/61569117/the-ultimate-guide-to-blacktop-4age