The PowerSource Sleeveless Dodge 440 Big Block Over Valve Cover HEI NS-656 set features high-temp silicone plug boots with each cylinder numbered. Stainless steel spark plug terminals connect to wire-wound suppression cores. Cylinder and distributor boots are secured with durable shrinks for improved longevity.
- Fits Big Block Dodge 440 (over valve cover)
- 8mm gray wire
- Fits HEI style distributor
- 300 Ohms per foot
- 90° distributor boots - Straight spark plug boots