MSD's Super Tall Crab Cap distributor is taller to fit special racing blocks such as the Allen Root or Rocket blocks.

Product Features:

• Designed to fit low in the block to clear firewall and intake combinations
• Must be used with an MSD Crank Trigger and MSD Ignition Control
• Supplied with small, low crab style distributor cap, rotor and bronze gear
• O-ring seals can be added to modified blocks to improve oil pressure control
• Special oil tract improves lubrication to the distributor and cam gear
• Shaft is guided by a sealed ball bearing and an extra-long sintered bushing
• Oversized polished steel shaft with a QPQ coating for friction reduction
• Adjustable slip collar for engines with modified deck heights
• CNC machined billet aluminum housing and durable composite base
• 0.500" taller housing for extra tall Chevrolet based engine blocks