Goleby's Parts - 1JZ/2JZ Billet Alternator Underdrive Pulley 

Prevent alternator failure at high RPMs with our Goleby's Parts Billet Alternator Underdrive Pulley for all 1JZ and 2JZ applications, this 84mm outside diameter pulley ensures reliable performance.

Additional Information:

Belt recommendations using this Underdrive pulley:

6PK1965 is recommended when using the standard belt configuration with our Underdrive Pulley(Standard Alternator).

6PK1975 is recommended when using the standard belt configuration with our 1JZ/2JZ High Output 150AMP Alternator kit. 

6PK1880 is recommended when using our 1JZ/2JZ Air Conditioning Delete Bracket with all standard accessories (Standard Alternator with our Underdrive Pulley).

6PK1900 is recommended when using our 1JZ/2JZ Air Conditioning Delete Bracket and our 1JZ/2JZ High Output 150AMP Alternator kit.

Test Engine: 2JZ-GE VVTi