Comp Cams Crank Seal, Hi Vacuum For 6200 & 6300 - 6200VCRS

High Vacuum Crank Seal for 6200/6300 Belt Drive Kits

• Infinitely adjustable Vernier sprocket for absolute timing accuracy
• Includes double lip seals for long life and maximum crankcase vacuum
• Utilizes a unique camshaft thrust adjustment system without shims
• Designed to absorb crankshaft harmonics to guard against performance-robbing valve train instability
• Unique belt idler system to reduce flap throughout RPM range
• Extreme application belt for high RPM and high compression durability
• Different diameter idlers available for racers with align bored blocks