• PS CB:
Valve Bowls Blended
• PS MI:
Match Intake Port to MG 2021
• PS Valve Job:
Competition Valve Job
• Intake Valves:
2.400 x 6.030 o.a.l. – BR 81403
• Exhaust Valves:
1.800 x 5.930 o.a.l. – BR 81080
• Valve Springs:
1.645 Roller Valve Spring – PAC 1247 or PAC 1248,
315 lb Closed, 875 lb Open,
2.100 Installed Height,
.850 Maximum Lift (Spring Upgrade)
1.640 Roller Valve Spring – PAC 1224,
270 lb Closed, 775 lb Open,
2.050 Installed Height,
.800 Maximum Lift (Spring Upgrade)
• Retainers:
1.625 10° Titanium – MA 23640
1.645 10° Titanium – MA 2001
• Valve Locks:
10° Jumbo – CC 611
• Valve Seals:
11/32 – US VS529V (1.625 Spring)
11/32 – US VS485V (1.645 Spring) |
• Torque Heads:
70 ft-lb
• Torque Rocker Stands:
40-45 ft-lb
• Intake Gaskets:
BRODIX MG 2021, FLATOUT FG 8275
• Head Gaskets:
4.600 – FEL-PRO 1057, COMETIC C5434
• Exhaust Gaskets:
FEL-PRO 1412
• Valve Cover Gaskets:
BRODIX MG 2020, FLATOUT FG 6108.3
• Head Studs:
BRODIX SK HS SR 20 For BRODIX Aluminum Block
AR 235-4323 for Cast Iron Block
• Accessory Bolt Holes Are Drilled
• Spark Plug Starting Points:
NGK R5671A-10
For Alcohol
NGK R5671A-9
For Racing Gas
• Intake Valve Seats:
P 2.460 x .450
• Exhaust Valve Seats:
P 1.900 x .450 A45
• Intake and Exhaust Valve Guides:
BH 545 11/32 PL
• Spring Pockets:
May Not be Cut Any Larger
or Deeper Than 1.750
• Valve Angle:
20° and 4° Intake
13° and 4° Exhaust
• Angle Milling:
.0066 in Per cc
• Flat Milling:
.0050 in Per cc
• Angle Machining:
Not Available
• Pushrod Slots:
Special
• Stud Girdle:
N/A
• Rocker Arms:
JESEL Or T&D Shaft System –
JESEL KPS 441184, T&D 3142
• Lifters:
Standard
• Pistons:
Special
• Pushrods:
Special Length
• Valve Covers:
MOROSO 68483
• Intake Manifolds:
BM 2020 (Standard)
BM 2021 (Tall Deck)
• 4.600 Minumim Bore |
