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SB-ChevyIntake Ports: 215cc Combustion Chambers: 64cc Angle Plug
- SBC Pro 1 Assembled Cyl Head
- Valves: 2.05" Int/1.60" Exh
- Dual Valve Springs: 1.437"
(130 lbs @ 1.80", .620" max lift)
SPECIFICATIONS- Block:
Iron or aluminum small block Chevy - Valvetrain: Standard SBC 3/8" stud mount or can be modified to 7/16"
- Intake Port Location: Stock
- Intake Port Dimensions: 2.150" x 1.190"
- Intake Flow: 276 cfm @ .600" lift/28"
- Intake Gasket: #375-1206
- Exhaust Port Location: Stock
- Exhaust Port Dimensions: 1.375" x 1.325"
- Exhaust Flow: 180 cfm @ .600" lift/28"
- Exhaust Gasket: #375-1404 or #375-1405
- Manifold: 5.5" tall, Aluminum single plane, 1.100" x 2.000" opening
- Pushrod Length: Stock through +.100" (should always measure)
- Stock Length: 7.800"
- Pushrod Guide Plate: Must use #249-4808-8 (flat)
- Retainers: Steel
- Stud Girdle: Any standard girdle
- Valve Length: 4.890"
- Valve Stem Diameter: .3415", 11/32"
- Valve Guides: Intake 1/2" OD Mag-Bronze, Exhaust Mag-Bronze (.002" press)
- Valve Guide Length: 1.950"
- Valve Guide Clearance: .0014" to .002" (using Dart .3415" valve stem)
- Valve Guide Spacing: Moved .030" from stock
- Valve Seats: Hardened Ductile Iron, .006" press
- Valve Seat Dimensions: Intake 2.160" x 1.810" x .350", Exhaust 1.650" x 1.350" x .350"
- Valve Seat Angles: Intake 32°, 45°, 60°, 70°; Exhaust 37°, 45°, radius
BrandDART
Package Height6.0
Package Width9.0
Package Length21.5
Weight26.7 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
