Description The Ultimate Aluminum Degree Pulley. Hard anodized black for maximum durability plus Laser Engraved degree numbers and marks. Available in standard size diameter, bolt-in and machined case sand seal versions. Both Sand Seal versions have a stainless steel collar installed in the pulley's seal area. Bolt-In versions come with P/N: ACC-C10-5420 collar & seal. Machine-In versions come with P/N: C13-9112 seal only.Fits all 12-1600CC Beetle style up-right engines.Click here to see all versions.