1021001 IK200 S/P Assembled Cylinder Head for Small Block Chevy - Pair

IK 200 Series Cylinder Heads200 cc Intake Ports64 cc Combustion Chambers2.020'' Intake / 1.600'' Exhaust ValvesHydraulic Roller CamSteel RetainersStraight PlugAssembled, 2/pkg. Cylinder Head SpecificationsIntake Port Volume: 200ccCombustion Chamber Volume: 64ccValves: 2.020'' dia. x 4.920'' o.a.l. Intake / 1.600'' dia. x 4.920'' o.a.l. Exhaust ( 11/32'' Stem Diameter )Valve Springs: 1.470'' Diameter - Open Pressure: 325 lbs.; Closed Pressure: 125 lbs.; Installed Height: 1.900''; Max Lift: .575''Spring Retainers: 1.430'' 7° SteelRocker Studs: 3/8''Guide Plates: 5/16''Valve Seals: 11/32''Spark Plug Configuration: StraightFacts and Related ComponentsTorque Heads: 70 ft-lb.Torque Rocker Studs: 40-45 ft-lb.Intake Gasket: Fel-Pro p/n 375-1206, Cometic p/n 245-C5414Head Gasket: Fel-Pro p/n 375-1003 (350ci) / 375-1004 (400ci) or Cometic p/n 245-C5399 (350ci) / 245-C5403 (400ci)Exhaust Gasket: Fel-Pro p/n 375-1404 or Cometic p/n 245-C5415Head Bolts: ARP p/n 070-134-3601 or Manley p/n 660-42313Head Bolt Washers: MANLEY p/n 660-42102Head Studs: ARP p/n 070-134-4001 (6-point)Spark Plug Specs: 14mm Thread, .750'' (3/4'') Reach, Gasket SeatValve Angle: 23°Angle Milling: .0078'' per ccFlat Milling: .0060'' per ccPushrod Slots: StandardStud Girdle: StandardRocker Arms: StandardLifters: StandardExhaust Pattern: StandardValve Centerline: StandardSpring Pockets: May not be cut any larger or deeper than 1.550''Accessory Bolt Holes are DrilledRecommended Intake Manifold: Brodix HV 1014 (p/n 158-1014) / HV 1016 (p/n 158-1016)

• 200cc intake runner
• 64cc combustion chamber
• Package Dimensions: 27.73 L x 8.76 H x 12.24 W (inches)
• Part number: 1021001