RCM Gobstopper Arrow 75mm Billet Crankshaft Filters use best judgment

use best judgment

enhanced stability

Their prime purpose is to reduce emissions from cold idle to meet standards governed by the EU emissions regulations (similar regulations also exist for both the US and Japan)

Caliper seals can be purchased separately with kit RCM2795 - Alcon seal repair kit which contains all the seals and assembly lube required to carry out a full caliper rebuild on x2 Alcon "Prodrive" calipers

RCM Gobstopper Arrow 75mm Billet Crankshaft Filters use best judgmentQuality. Innovation. Performance. The hallmarks of Arrow Precision. Only the highest quality raw materials, the latest methods and the knowledge of superbly skilled designers and engineers goes into the making of every Arrow Precision part. At the heart of every Gobstopper engine you'll find the Arrow crankshaft, the ultimate piece of British Engineering designed to withstand the most extreme engine loads. Engineering precision detailed cranks begins