| Tune Up | 
| Type | Fits | OE# | Part
# |  | 
| Key Switch | 3 Pole Plastic (long) | - | 39000 |  | 
| Key Switch | 3 Pole Plastic (short) | - | 41000 |  | 
| Spark Plug | Short Reach | 33-59571 | BR6FS |  | 
| Spark Plug AC | 496 & 8.1L | 33-862029 | MR43LTS |  | 
| Spark Plug | Long Reach | 33-816336 | BPR6EFS |  | 
| Spark Plug Delco | Platinum / ECM 555 | 33-884019 | 41-932 |  | 
| Spark Plug Denso | 496 & 8.1L | 33-863622 | TJ14RP15 |  | 
| MerCruiser Ignition Wire Set | 4cyl w/ conventional Ignition | 84-816761Q 5, 503748 | 9-28020 |  | 
| MerCruiser Ignition Wire Set | 4cyl w/Digital Ignition | 84-816761Q13 | 9-28004 |  | 
| MerCruiser Ignition Wire Set | GM V6 4.3L w/ Thunderbolt Ignition | 84-816761Q16 | 9-28016 |  | 
| MerCruiser Ignition Wire Set | GH V6 w/ Conventional Ignition | 84-816761A 7 | 9-28015 |  | 
| MerCruiser Ignition Wire Set | GM VG w/ Delco HEI Ignition | 84-816608Q82 | 9-28023 |  | 
| MerCruiser Ignition Wire Set | 5.0L & 5.7L V8 w/Thunderbolt IV
Ignition | 84-816761Q4 | 9-28001 |  | 
| MerCruiser Ignition Wire Set | 5.0L & 5.7L V8 w/ Delco HEI Ignition | 84-816608Q68 | 9-28011 |  | 
| MerCruiser Ignition Wire Set | 454/502 CID V8 w/ Thunderbolt Ignition | 84-816608Q61 | 9-28002 |  | 
| Coil Wire | Thunderbolt Ignition 12" | - | 9-28100 |  | 
| Coil Wire | Delco Ignition 12" | - | 9-28101 |  | 
| Ignition Coil | - | 392-806529A 1, 3852217 | 64529 |  | 
| Dist Cap & Rotor Kit | Thunderbolt V8 | 805759Q 3 | 64759K |  | 
| Dist Cap & Rotor Kit | Thunderbolt V6 | 805759Q 3 | 64407K |  | 
| Dist Cap & Rotor Kit | Thunderbolt V8 | 13524T 1 | 64524 |  | 
| Dist Cap & Rotor Kit | Thunderbolt V8 | 805759T 1 | 64759 |  | 
| Dist Cap & Rotor Kit | Thunderbolt V8 | 815407A 2 | 64407 |  | 
| Ignition Sensor | V6-V8 w/ Thunderbolt Igntion | 87-861780A 2 | 18-5115 |  | 
| Dist Cap & Rotor Kit | Delco EST V8 | 808483Q 1 | 64483K |  | 
| Dist Cap & Rotor Kit | Delco EST V6 | 850484T 3 | 64484K |  | 
| Dist Cap & Rotor Kit | Delco EST 4cyl | 811635Q 2 | 64635K |  | 
| Tune Up Kit with Cap | Delco Conv 4cyl | - | 64459K |  | 
| Distributor Cap | Delco Conv 4 Cylinder | 393-9459Q 1/380541 | 64459 |  | 
| Ignition Kit | Delco Conv 4 Cylinder | 34235Q 1 | 64235K |  | 
| Points | Delco Conv | 34235T/380538 | 64235 |  | 
| Condensor | Delco Conv | 33662/380537 | 64662 |  | 
| Rotor | Delco Conv | 58217/384735 | 64217 |  |