• PS CB:
Valve Bowls Blended• PS MI:
Match Intake Port to FP 1263
(WP 12 SP RI, WP 12 SP RI MC)
Match Intake Port to FP 1209
(BP 12 SP B, STS 12 SP WB MC) • PS Valve Job:
Competition Valve Job • Intake Valves:
2.150 x 5.440 o.a.l. – BR 60415 (40/60)
2.200 x 5.440 o.a.l. – BR 81049 (70/125) • Exhaust Valves:
1.600 x 5.440 o.a.l. – BR 60044 (40/60)
1.600 x 5.300 o.a.l. – BR 81051 (70/125) • Valve Springs:
1.550 Roller Valve Spring – PAC 1941,
255 lb Closed, 610 lb Open,
1.950 Installed Height,
.700 Maximum Lift • Retainers:
1.550 10° Titanium – MA 2398BR • Valve Locks:
10° Jumbo – CC 611 • Rocker Studs:
Shaft System Required • Valve Seals:
11/32 – US VS529V | • Torque Heads:
70 ft-lb• Torque Rocker Studs:
40-45 ft-lb • Intake Gaskets:
FEL-PRO 1263
Ask for COMETIC Part Number
(WP 12 SP RI, WP 12 SP RI MC)
FEL-PRO 1209
(BP 12 SP B, STS 12 SP W B MC) • Head Gaskets:
350 – FEL-PRO 1003, COMETIC C5399
400 – FEL-PRO 1004, COMETIC C5403 • Exhaust Gaskets:
Spread Port-
BRODIX MG 52464 (Trim to Fit),
COMETIC C5424 • Head Studs:
ARP 234-4723
(12 pt With 3/8 Center Studs) • Accessory Bolt Holes Are Drilled • Spark Plug Starting Points:
NGK R5671A-10
for Alcohol
NGK R5671A-9
for Racing Gas • Intake Valve Seats:
P 2.250 5/16 • Exhaust Valve Seats:
P 1.650 3/8 • Intake Valve Guides:
SHC 545 11/32 MGIL • Exhaust Valve Guides:
SHC 545 11/32 MGL • Spring Pockets:
1.550 Out of the Box, May Be Cut to
1.625 – No Larger or Deeper • Valve Angle:
15° • Angle Milling:
.0065 in per cc • Flat Milling:
.0055 in per cc • Angle Machining:
Not Available • Pushrod Slots:
40/60, 58/107, 70/125 • Stud Girdle:
Not Available • Rocker Arms:
Shaft System With 40/60, 58/107, or 70/125 Spacing,
Check Heads for Intake Offset
40/60 – T&D 2206, JESEL KPS 01204
58/107 – T&D 2207
70/125 – T&D 22071 • Lifters:
.180 Offset • Pistons:
Special 15° • Pushrods:
Special Length • Intake Face Angle:
BRODIX 10° Standard • Valve Centerline:
40/60 (WP 12 SP RI, BP 12 SP B)
58/107 (WP 12 SP RI MC)
70/125 (STS 12 SP RI MC) • Intake Manifolds:
MS 89 (WP 12 SP RI)
N/A (WP 12 SP RI MC)
HV 1200 / HV 1201 (BP 12 SP B,
STS 12 SP W B MC) |
