Black Diamond Cut 3.875 inch big bor rear cylinder for 100 inch engines with 9.6:1 compression. Cylinder only.
Upgrade your engine's performance with the Ultima 93-865DC Black Diamond Cut 3.875 inch big bore rear cylinder, engineered specifically for 100 inch engines with a compression ratio of 9.6:1. Crafted in the USA, this high-quality cylinder is designed to deliver durability and precise
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