This ACCEL Opti-Spark II distributor is a direct plug-in replacement with factory-type connectors for GM 5.7L LT1/LT4 engines. A centerless-ground shaft with oil-lite bushings and a high-dielectric-strength cap with a balanced rotor deliver consistent timing, and the male-tower cap uses brass cap and rotor contacts for reliable contact.
- Part number: 59125
- Application: 1994-1997 (mid-year) GM 5.7L LT1/LT4
- Shaft: Centerless-ground with oil-lite bushings
- Cap: High-dielectric-strength, male-tower, brass contacts
- Rotor: Balanced, brass contacts
- Gear: Iron or steel distributor gear
WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
FAQ
What engines does the ACCEL 59125 fit?
GM 5.7L LT1/LT4 engines from mid-1994 through mid-1997.
Is it a direct plug-in replacement?
Yes, it uses factory-type connectors for plug-and-play installation.
What are the cap and rotor contacts made of?
Brass, for reliable, consistent contact.

