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| color="#ffffff" size="4">Basic Package Components | color="#ffffff" size="4">Part # |
| 100% CNC
Ported Combustion Chambers 100% CNC Ported Exhaust Ports 100% CNC Ported Intake Ports Competition 5-angle Valve Job |
|
| Bead Lock Intake Valve, 1.900" |
AFR #7249 |
| Bead Lock
Exhaust Valve, 1.600" |
AFR #7250 |
| Pedestal 8mm Bead Lock
Intake Valve, 1.900" x 5.080" O.A.L |
AFR #7262 |
| Pedestal
8mm Bead Lock Exhaust Valve, 1.600" x 5.100" O.A.L |
AFR #7264 |
| PAC Racing Spring 1.290"
OD Hydraulic Roller Dual Valve Spring, 140 lbs on seat, .600" maximum lift, Max RPM 6300-6500 (upgrades available) |
AFR #8017 |
| 7° Chrome
Moly Retainers |
AFR #8514 |
| 7° Bead Lock Valve Keepers | AFR #9007 |
| ARP
3/8" Rocker Studs |
AFR #6409 |
| Adjustable 5/16" Guide
Plates |
AFR #6103 |
| Viton Valve
Seals |
AFR #6612 |
| Hardened Spring Cup | AFR #8042 |
| Ductile Iron Intake
Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep |
AFR #9060 |
| Ductile Iron Exhaust Valve Seats
1.650" O.D x 1.350" I.D x .375" Deep |
AFR #9070 |
| Bronze Valve Guides | AFR #9051 |
| Thermactor Air Injector | AFR #6226 |
| color="#ffffff" size="4">Specifications, Features, and
Optional Supporting Components |
| Head style="float:right;"> Material |
A356 Aluminum |
| Intake Port Volume | 165cc |
| Intake
Port Dimension |
style="float:right;">2.060" H x 1.250" W 3/8 Radius |
|
Intake Port Location
|
Stock |
| Exhaust
Port Volume |
style="float:right;">68cc |
| Exhaust Port Dimension | 1.355"
H x 1.360" W |
| Exhaust
Port Location |
Stock |
| Combustion Chamber Size | 58cc
or 60cc |
|
Valve Cover Bolt Pattern
|
style="float:right;">Perimeter Bolt |
| Valve Angle | 20°
|
| Valve
Spring Pocket Diameter |
style="float:right;">1.460" O.D |
| Max Valve Spring Pocket
Machining |
1.625" O.D |
|
Deck Thickness
|
style="float:right;">.750" |
| Minimum Bore Diameter | 4.000" |
| Flat
Mill |
style="float:right;">.006" per cc 54cc Maximum |
| Angle Mill | .009"
per cc 48cc Maximum |
|
Minimum
Cross Sectional Area |
style="float:right;">1.935 sq. in |
| Note:Angle
mills might require a .120" Thick intake gasket. |
|
| Spark
Plug Dimensions |
style="float:right;">14mm x .750" w/Gasket Seat |
|
Carb EO#
|
D-250-3
|
|
Head Bolt Diameter 1402 & 1472
|
style="float:right;">7/16" |
| Head Bolt Diameter 1399 |
1/2" |
| Intake
Port Gasket, Fel-Pro #1250 |
AFR #6828 |
| Exhaust Port Gasket,
Fel-Pro #1415 |
AFR #6837 |
| Head
Gasket, 302/351 Windsor, Fel-Pro #1011-1 |
AFR #6808 |
| SBF 7/16" Head Bolt Kit,
ARP #154-3701 |
AFR #6823 |
| SBF
7/16" Bolt, Head Stud Kit, ARP #254-4401 |
AFR #6822 |
| 1/2" Bolt - 7/16" Thread
Head Bolts, ARP 254-3708 |
AFR #6819 |
| Head
Bolt Washer Kit, Manley |
AFR #6820 |
| Stud Girdle (AFR
Specific) |
AFR #6807 |
| Suggested
Manifold |
style="float:right;">Performer or Performer RPM |
| Spark Plug Starting Range | Autolite
3924 |