Package Heads

Facts and Related Components

• PS MI:
Match Intake Port to FP 1204 (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 60005 (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 Lift (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,
150 lb Closed, 365 lb Open,
1.950 Installed Height,
.600 Maximum Lift (RR 200)

1.550 Roller Valve Spring – PAC 1941,
255 lb Closed, 610 lb Open,
1.950 Installed Height,
.700 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

• 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)

• 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

• Angle Machining:
Not Available

• Dowel Shift:
Not Available

• Pushrod Slots:
Standard

• Stud Girdle:
BR 6435

• Rocker Arms:
Standard

• Lifters:
Standard

• Valve Centerline:
Standard

• Intake Manifold:
HP-1 / HV 1016 (RR 180)
HV 1014 / HV 1016 (RR 200)