Cyl Head Special B18/B20 "Stage 2"

Special Cylinder head "Step 2" Ported intake & exhaust ports. Standard combustion chamber. Single valve springs with new steel valve spring washers and special valve locks. New valve guides and valves, cut with 2 angles. Compression ratio depending on engine displacement etc. MIRA machined valve seats. Addition: Lead conversion = SEK 1900 (discounted price) ===Work is carried out on the customer's own cylinder head===