Brodix IK 180 Series SBC Cylinder Heads 180cc Intake Ports

Brodix IK 180 Series, SBC Cylinder Heads Bolt-on Performance Cylinder Heads with a Budget-Minded Price Brodix IK Series Cylinder Heads for Small Block Chevy engines feature innovative extreme castings with various intake ports and combustion chamber sizes that allow optimal versatility. With precision components and A-356 aluminium alloy construction, the Brodix aluminium cylinder heads are the best bang-for-your-buck on the market today. Cylinder Head Specifications Intake Port Volume: 180cc Combustion Chamber Volume: 64cc Valves: 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: 1.250'' Diameter - Open Pressure: 300 lbs.; Closed Pressure: 100 lbs.; Installed Height: 1.850''; Max Lift: .525'' Spring Retainers: 1.250'' 7° Steel Rocker Studs: 3/8'' Guide Plates: 5/16'' Valve Seals: 11/32'' Spark Plug Configuration: Straight Torque Heads: 70 ft-lb Torque Rocker Studs: 40-45 ft-lb Intake Gaskets: FEL-PRO 1204, COMETIC C5416 (IK 180) Head Gaskets: 350 – FEL-PRO 1003, COMETIC C5399, 400 – FEL-PRO 1004, COMETIC C5403 Exhaust Gaskets: FEL-PRO 1404, COMETIC C5415 (IK 180, IK 200) Head Bolts: ARP 134-3601, MANLEY 42313 Head Bolt Washers: MANLEY 42102 Head Studs: ARP 134-4001 (6pt) Accessory Bolt Holes Are Drilled Spark Plug Starting Points: CHAMPION RN12YC or AUTOLITE 3924 for Pump Gas, NGK R5671A-8 for Racing Gas Intake Valve Seats: DBP 2.131 5/16 Exhaust Valve Seats: DBP 1.650 3/8 Intake and Exhaust Valve Guides: SMG 545 11/32 CM Spring Pockets: May Not be Cut Any Larger or Deeper Than 1.550 Valve Angle: 23° Angle Milling: .0078 in per cc Flat Milling: .0060 in per cc Pushrod Slots: Standard Stud Girdle: BR 6435 Rocker Arms: Standard Lifters: Standard Valve Centerline: Standard Intake Manifold: HP-1 / HV 1016 (IK 180)

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