Degree Crank Pulley, Black Numbers, Sand Sealed Standard Dia

Scat Degree Crank Pulley Sand Sealed Standard Diameter (80228)

Volkswagen Fitment & Compatibility

This Scat billet 5-hole pulley features a standard 6-3/4 inch diameter, making it compatible with Type 1, 2, and 3 aircooled Volkswagen engines. It is a popular choice for Beetles, Karmann Ghias, and specifically off-road vehicles like Dune Buggies and Sand Rails. Because this is a sand-sealed pulley, it is designed for engine cases that have been machined to accept a sand seal or for use with a sand seal adapter kit.

Pro Tech Tips for Installation and Performance

Verify Case Machining: Sand-sealed pulleys do not use the traditional oil slinger and threaded hub system. Before installation, ensure your engine case has been properly machined to house the sand seal. Attempting to install this on a stock, un-machined case will result in immediate oil leaks and potential hardware interference.

Confirm Top Dead Center (TDC): While the black degree ring is precision-etched for easy timing, you should always verify Top Dead Center using a piston stop tool during the initial install. This ensures that the "0" mark on your new Scat pulley aligns perfectly with the actual physical TDC of your Number 1 cylinder for 100% accurate ignition timing.

Purpose-Driven Sealing: Remember that the primary function of a sand seal is to keep external debris, grit, and sand out of your engine's internals. While it provides a cleaner environment for off-road use, it is not a "fix" for internal oil pressure leaks. Always ensure your crankcase ventilation system is clear to prevent pressure from pushing oil past the seal.