1997 GMC W-Series Ignition Relays, Sensors & Switches
- PerTronix®Wire Harness and CapacitorGMC W3500 Forward / W4500 Forward 5.7L 1997, Wire Harness and Capacitor by PerTronix®. From replacement wiring harness to adjustable vacuum advance canisters, lockout kits and mechanical advance kits, they have the parts to get your HEI...Digital performance solutions give you more power and more features in a smaller packageInnovative technology for superior operation and rugged dependability under harsh conditions$30.95