The Tuff Stuff 8242 is a Factory Cast PLUS GM LS1 alternator rated at 125 amps and 12V. It uses a 1-wire hookup and a 6-rib serpentine pulley, and has a natural aluminum case.
- Type: alternator, Factory Cast PLUS
- Output: 125 amps
- Voltage: 12V
- Wiring: 1-wire
- Pulley: 6-rib serpentine
- Case: aluminum
- Finish: natural
- Application: GM LS1
- Sold as: each
- Part number: 8242
Vehicle Applications
- 2001 Chevrolet Camaro V8 5.7 350
- 2001 Pontiac Firebird V8 5.7 350
- 2000 Chevrolet Camaro V8 5.7 350
- 2000 Pontiac Firebird V8 5.7 350
- 1999 Chevrolet Camaro V8 5.7 350
- 1999 Pontiac Firebird V8 5.7 350
- 1998 Chevrolet Camaro V8 5.7 350
- 1998 Pontiac Firebird V8 5.7 350
FAQ
What is the output of the 8242 alternator?
The 8242 puts out 125 amps at 12V.
What pulley does the 8242 use?
The 8242 uses a 6-rib serpentine pulley.
What application is the 8242 designed for?
The 8242 is a Factory Cast PLUS alternator designed for GM LS1 applications.

