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Price: $1374.99
Engraved with IMCA logo and serial numbered to make it approved for use in IMCA Hobby Stock classes, Performer EPS dual-plane manifold optimized to deliver superior performance over other low-rise dual plane manifolds, 5/16\" C1010 material and heat treated .100\" longer pushrods have 25% more column strength than stock, Sportsman Roller Tip Rocker Arms, 1.5:1, 3/8\" Stud - Made from 4340 heat treated chromoly steel with longer slot to eliminate stud bind issues, Kit includes engine heads, top-end Economy engine gaskets and hardware, extra long pushrods, roller rockers, and intake manifold Dart IMCA Hobby Stock Budget SBC Top End Engine Kit, Heads/Intake Sku # 9109097 Mfr. Part # 9109097 Condition New Brand Speedway Motors Sold Kit Details Info Specs
Material: Cast Iron
Comb Chambers: 76cc
Intake Valve Dia: 1.940\"
Intake Port volume: 165cc
Intake Port Dim: 1.100\" W x 1.925\" H
Int Port Location: Stock
Exh Valve Dia.: 1.500\"
Exh Port volume: 65cc
Exhaust Port Dim: 1.340\" W x 1.300\" H
Exh Port Location: Stock location & bolt pattern
Flow, Intake: 210 cfm @ .500\" lift / 28\"
Flow, Exhaust: 138 cfm @ .500\" lift / 28\"
Milling: Min. 62cc = .060\" (.0065\" = 1cc) Flat Mill
Pistons: Most 23° aftermarket pistons.
Push Rod length: Stock (Stock length = 7.800\") * Must measure *
Push Rod Guide: Stock type, integral
Retainers: Steel 1.250\" = (7° )
Rocker Arm stud: Use screw-in stud w/integral nut
Spark Plug: Straight, .460\" reach, tapered seat
Spring Cups: N/A, Use hardened shim or locator
Spring Pockets: Cut for 1.250\" OD (.030\" deeper max)
Valve Angles: 23°
Valve Length: STD = 4.890\"
Valve Stem Dia: .3415\" - 11/32\"
Valve Guides: Integral cast into head
Valve Guide clearance: .002\" - .0025\" (with .3415 dia. valve stem)
Valve Guide Spacing: 1.890\" moved .030\" from stock
Valve Seals: Cut for umbrella seals
Valve Seats: Exh = Powdered Metal, .006\" press
Valve Seat dim: Exh - 1.650\" x 1.280\" x .350\"
Valve Seat angles:
- Int = 32° - 45° - 60° - 70°- 80°
- Exh = 37° - 45° - radius
Torque Specs:
- Head Bolts = 70 ft/lb (w/ oil)
- Rocker Studs = 55 ft/lb
- Manifold = 35 ft/lb
Block Use: Any SBC, Iron or Aluminum
Weight: 58 lbs Assembled
Charts
(PDF)
Specs Sold in Quantity Kit Cylinder Head Style Assembled Spark Plug Style Straight Combustion Chamber Volume 76cc Cylinder Head Material Cast Iron Intake Style Dual Plane Intake Port Location Standard Intake Port Shape Rectangle Exhaust Port Shape Square Exhaust Port Location Standard Oiling Style Through Pushrod Gasket(s) Included Yes Intake Manifold Included Yes Intake Valves Included Yes Valve Spring Included Yes Cylinder Head Bolts Included Yes Head Gaskets Included Yes Intake Manifold Fasteners Included Yes Intake Valve Diameter 1.940 Exhaust Valve Diameter 1.500 Exhaust Valves Included Yes Rocker Arms Included Yes Exhaust Runner Volume 65cc Intake Runner Volume 165cc Pushrods Included Yes Camshaft Included No Valve Guide Material Integral, cast into head Speedway Motors Catalog Part # 910-9097 Related Items / Suggested Parts Dart IMCA Hobby Stock Budget SBC Cylinder Heads/Gaskets/Bolts Kit Tube Ends Threaded Insert, Steel, 3/4-16 Threads Dart IMCA Hobby Stock Premium SBC Top End Engine Kit,Heads/Intake ShippingCombined Shipping:
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