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| SBC 220 Angle Plug cnc porting |
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| Specifications & Features: |
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| Material | A356 Aluminum |
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| Intake Port Volume | 220cc |
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| Intake seat size | 2.08 or 2. 10 |
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| Exhaust seat size | 1.6 |
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| Intake Port Dimension | 2.220" H x 1.310" W x 3/8 Radius |
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| Intake Port Location | Stock |
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| Exhaust Port Volume | 80cc |
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| Exhaust Port Dimension | 1.420" H x 1.545" W |
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| Exhaust Port Location | 0.250" Raised |
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| Combustion Chamber Size | 65cc or 72cc |
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| Valve Cover Bolt Pattern | Perimeter Bolt |
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| Valve Angle | 23° |
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| Valve Spring Pocket Diameter | 1.580" O.D |
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| Max Valve Spring Pocket Machining | 1.750" O.D |
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| Warning: Do not machine spring pad any deeper. |
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| Deck Thickness | .750" |
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| Minimum Bore Diameter | 4.000" |
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| Flat Mill | .006" per cc 60cc Maximum |
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| Angle Mill | .009" per cc 55cc Maximum |
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| Note: Angle mills might require .120" Thick intake gasket. |
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| Spark Plug Dimensions | 14mm x .750" w/Gasket Seat |
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| Minimum Bore Diameter | 4.0" |
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| Minimum Cross Sectional Area | 2.180 sq. in. |
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| Angle Plug | Straight Plug option |
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| 8mm Bead Lock Intake Valve, 2.080" x 5.000" Overall Valve Length |
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| 8mm Bead Lock Exhaust Valve, 1.600" x 5.030" Overall Valve Length |
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| Racing Spring 1.550" OD Solid Roller Dual Valve Spring, 220 lbs on seat, .710" maximum lift, Max RPM 7200-7400 | ||||
| Manley 10° Steel Retainers 1.500" O.D x 1.120" I.D x .705" I.D |
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| 10° Bead Lock Valve Keepers |
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| 7/16" Rocker Studs |
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| 5/16" Guide Plates |
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| Viton Valve Seals .600" O.D x .495" I.D |
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| Hardened Valve Spring I.D Locator 1.550" O.D x .780" I.D |
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| Powder Metallurgy Intake Valve Seats 2.200" O.D x 1.750" I.D x .375" Deep |
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| Powder Metallurgy Exhaust Valve Seats 1.696" O.D x 1.325" I.D x .305" Deep |
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| 8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L |
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| Important: Do not port match your intake manifold to Fel-Pro gasket as it does not precisely fit MIC heads. |
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| Exhaust Port Gasket, Fel-Pro #1405 |
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| Head Gasket, 350cid Fel-Pro #1003 |
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| Head Gasket, 400cid Fel-Pro #1014 |
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| SB Chevy Head Bolt Kit, ARP #134-3701 |
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| SB Chevy Head Stud Kit, 12 Point Nuts, ARP #234-4301 |
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| Head Bolt Washers, Manley |
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