; Fabricated entirely from superior quality aluminum, ultra-lightweight; One-piece billet rail is CNC machined to ensure a precision flat surface for superior sealing; Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power; Studs not included*Not legal for sale or use on pollution-controlled vehicles
- Fabricated Aluminum
- Billet Rail
- 3 Tall
- Pockets on Intake & Exhaust
- For BBC with Dart Big Chief & Brodix Big Duke Style cylinder heads (not Dart Big Chief II 11°)
- Clears Jesel & T&D Rocker Shafts
- Airtight sealing
- Studs not included.