E-210 Cylinder Heads - Pair - Complete ED5087 Product:SB Chevy, 64cc chambers, springs for mechanical flat tappet & roller 3L V8 F/I - All

3L V8 F/I - All 2009 HUMMER H3 3

AF818-16BLK

5 HP Reduction Ratio: 4

050 - 110° lobe separation IGNITION TIMING: 10 -16° inital and total timing 32-34° at 3500 RPM ALSO INCLUDES: Intake Manifold dual plane

E-210 Cylinder Heads - Pair - Complete ED5087 Product:SB Chevy, 64cc chambers, springs for mechanical flat tappet & roller 3L V8 F/I - AllE 210 Cylinder Heads Pair CompleteSB Chevy, 64cc chambers, springs for mechanical flat tappet & roller cams ED5087 5087 The new E 210 cylinder head for small block Chevy engines provides race level performance while maintaining full compatibility with OEM equipment. It features larger runners for increased airflow, revised exhaust ports and larger diameter springs for higher lift camshafts, making them ideal for a spec series racer and larger