Sierra Tête de cylinde haute performance 18-4503
Détails
- Up to 60 HP increase over OE cylinder heads
- 185cc intake runner/ 62cc exhaust runner
- 72cc combustion chambers
- 2.02 intake/1.60 exhaust stainless steel valves
- 5 angle valve seat cut
- Double drilled intake mounting for either standard 12 bolt GM intake or late-model 8 bolt Vortec intake.
- Accepts both perimeter or center bolt valve covers
- Fait sur 5.7 & 6.2L small block GM V-8 applications.
- Cast Iron cylinder heads sold in pairs only
- OE look
- Corrosion resistance heavy-duty cast iron castings suitable for saltwater usage
