CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS.
Package Heads:
PS CB: VALVE BOWLS BLENDED • PS MI: MATCH INTAKE PORT TO FPm1204 (RR 180) MATCH INTAKE PORT TO FP 1206 (RR 200) • PS Valve Job: COMPETITION VALVE JOB • Intake Valves: 2.020 X 4.920 o.a.l. - BR 6170DI (RR 180) 2.055 X 4.920 o.a.l. - BR 6000 (RR 200) • Exhaust Valves: 1.600 X 4.940 o.a.l. - BR 6169DI• Valve Springs: 1.250 HYDRAULIC VALVE SPRING - CC 981, 100 lb CLOSED, 300 lb OPEN, 1.850 INSTALLED HEIGHT, .525 MAXIMUM LIF(RR 180) 1.470 HYDRAULIC ROLLER VALVE SPRING - CC 987, 125 lb CLOSED, 325 lb OPEN,
1.900 INSTALLED HEIGHT, .575 MAXIMUM LIFT (RR 180 & RR 200)
1.550 FLAT TAPPET VALVE SPRING -BT 120121, 140 lb CLOSED, 400 lb OPEN, 1.950
INSTALLED HEIGHT, .600 MAXIMUM LIFT (RR 200) • Retainers: 1.250 7° STEEL - CC 742 (RR 180)
1.430 7° STEEL - CC 743 (RR 180 & RR 200) 1.550 10° STEEL - CC 752 (RR 200) • Valve Locks: 7°- PI PF-555 (RR 180 & RR 200) 10° JUMBO - CC 611 (RR 200) • Rocker Studs: 3/8 - BR 318S (RR 180 & RR 200) 7/16 - BR 716L, AR RRS-4I (RR 200)• Guide Plates: 5/16 - CC 4808
• Valve Seals: 11/32 - US VS529V
Facts And Related Components: • Torque Heads: 70 ft-lb • Torque Rocker Studs: 40-45 ft-lb • Intake Gaskets: FEL-PRO 1204, COMETIC C5416 (RR 180) FEL-PRO 1206, COMETIC C5414 (RR 200) • Head Gaskets: 350 - FEL-PRO 1003, COMETIC C5399 400 - FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets: FEL-PRO 1404, COMETIC C5417 • Head Bolts: ARP 134-3601, MANLEY 42313 • Head Bolt Washers: MANLEY 42102 • Head Studs: ARP 134-4001 (6 pt) • Accessory Bolt Holes Are Drilled • Spark Plug Starting Points: CHAMPION RN12YC OR AUTOLITE 3924 FOR PUMP GAS (RR 180 & RR 200) NGK R5671A-8 FOR RACING GAS (RR 200) • 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 • Angle Machining: NOT AVAILABLE • Dowel Shift: NOT AVAILABLE • Pushrod Slots: STANDARD • Stud Girdle: BR 6435 • Rocker Arms: STANDARD
• Lifters: STANDARD Optional LT1 Modifications Available
Cylinder Head Specifications:
INTAKE PORT CHAMBER VOLUME VALVE SIZES INT./EXH. PLUG ANGLE EXHAUST PATTERN VALVE CENTERLINE INTAKE MANIFOLD
RR 180 180 cc 67 cc 2.020 /1.600 Straight/Angle Standard Standard HP-1 / HV 1016
RR 200 200 cc 67 cc 2.055/1.600 Straight/Angle Standard Standard HV 1014 / HV 1016
CUBIC INCH COMPRESSION CAMSHAFT RPM APPLICATION
RR 180 355 - 406 9.5 -10.5 10.5 Hydraulic/Hydraulic Roller 1500-6000 Street/Pro Street
RR 200 355 - 406 9.5- 10.5 10.5 Hydraulic Roller/Flat Tappet 1500-6500 Street/Drag/Pro Street
Flow Chart CFM @ 28" H20
VALVE SIZE 0.200 0.300 0.400 0.500 0.600 0.650 0.700
RR180 2.020 INTAKE 138 194 234 243 245
1.600 EXHAUST 97 129 155 171 179
RR200 2.055 INTAKE 125 182 227 260 266 269
1.600 EXHAUST 97 129 155 171 179 185
RR 180 2.02 INTAKE 142 199 238 241 241
(CNC Chamber)
1.600 EXHAUST 113 153 171 179 184 185 187
(CNC Chamber)
RR 200 2.055 INTAKE 141 221 242 265 272 273
(CNC Chamber)
1.600 EXHAUST 113 153 171 179 183 185
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