Earl's Aluminum Cap -12 AN - Blue Upper Control Arm Caster Slug while a carbon composite puc-style

while a carbon composite puc-style (segmented) facing is used on the flywheel side for a positive engagement and increased holding-capacity

With two layers of progressively finer mesh synthetic media between 100 percent polyurethane top and base

Case / Connectors / Pins / Pin Holsters

Air Induction System

Filter Dimesions are 5

Earl's Aluminum Cap -12 AN - Blue Upper Control Arm Caster Slug while a carbon composite puc-styleEarl's offers the most complete line of adapter fittings in the industry. In addition to the standard range of AN adapters in both aluminum and steel, over the past 30 years Earl's has designed and manufactured a wide selection of special adapter fittings to meet the needs of the racing industry. These specials include metric to AN, inverted flare to AN and power steering fittings. Product Description: Cap 12 AN Aluminum Blue Anodized Sold