CYLINDER HEAD ASSEMBLY SET WITH MATCH PORTED IDF/HPMX MANIFOLD 90.5/92mm 500 SERIES - AA PERFORMANCE

'Outlaw' cylinder head assembly set with match ported IDF/HPMX intake manifolds to suit 90.5mm or 92mm bore Type 1 engines.

Upgrade your performance engine build with this cylinder head and manifold set.
- Quality AA Performance product.
- 2 x 500 Series 'Outlaw' cylinder heads.
- Suitable for 90.5mm or 92mm bore cylinders.
- Stage 2 polish & port
- Mini-wedge intake ports
- 40mm and 35.5mm stainless steel valves installed
- Dual Hi-Rev valve springs
- Chromoly valve retainers
- 60cc Combustion chambers
- Bench tested to 152CFM
- Requires D7EA spark plugs
- Includes match-ported manifolds to suit IDF or HPMX carburettors.
- Supplied assembled and ready to install.