Dart IMCA Hobby Stock Premium SBC Cylinder Heads/Gaskets/Bolt Kit

Description

Premium Economy top-end engine kit for Hobby Stock race cars, Engraved with IMCA logo and serial numbered to make it approved for use in IMCA Hobby Stock classes, Includes 1.94"/1.50" standard length stainless steel valves, performance valve springs, retainers, keepers and 3/8" screw-in studs, Multi-layer steel gaskets offer current leading-edge technology and provide a long-term, leakproof seal called Perma Torque MLS, High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8)
Dart IMCA Hobby Stock Premium SBC Cylinder Heads/Gaskets/Bolt Kit
Sku # 9109100
Mfr. Part # 9109100
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
Info
Kit Includes:
(2) Dart IMCA Hobby Stock Cast Iron Small Block Chevy Cylinder Heads
(2) Fel-Pro P1003 S/B Chevy 265-400 Steel Ring Head Gaskets, 4.166 Inch Bore
(1) ARP 134-3601 SBC Cylinder Head Bolt Set
(1) Fel-Pro 1204 S/B Chevy Intake Manifold Gaskets Set, 1.23x1.99 Inch
(1) Fel-Pro 1404 Small Block Chevy Square Port Header Gaskets Set
(1) Fel-Pro 1604 Small Block Chevy Valve Cover Gaskets Set, 5/16 In Cork/Rubber
(1) ARP 334-2102 1 Inch Stainless Steel Intake Bolt Kit
IMCA Approved Stock Replacement Cylinder Heads
Dart IMCA Approved cast iron Small Block Chevy cylinder heads
Approved stock replacement heads for Hobby Stock
Begins with a Dart 10024360 Iron Eagle S/S 165 casting
Engraved and serial-numbered to conform to IMCA rules
Precision cast ports and chambers, they have outstanding air flow. Optimized valve sizes for maximum performance within IMCA rules.
Assembled heads include
:
High-performance springs
1.94"/1.50" standard length stainless steel valves
7 degree locks
Steel retainers
3-angle valve jobs
Hobby Stock
heads feature Speedway Motors USA-made high performance valve springs 180671515
Approved for IMCA Hobby Stock as of 4/27/2020
Assembled heads take approximately 1-2 days for assembly and will be shipped out promptly afterward
Fel-Pro P1003 Cylinder Head Gaskets, 4.166 Inch Bore
Offer superior heat dissipation
Multi-layer steel gaskets offer current leading-edge technology and provide a long-term, leakproof seal called Perma Torque MLS
Pre-flattened steel wire
Nominal compression thickness: .041"
Compressed volume: 9.1 cc
4.166" bore gaskets can be used on 400 race engines with up to 4.155" max bore with minimal chamfer
ARP 134-3601 Cylinder Head Bolt Set
Reduced wrenching hex head that eliminates the need for valve train removal to facilitate cylinder head retorquing
All High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8)
Kits come complete with hardened parallel-ground washers
Set of 34
Fel-Pro 1204 Intake Manifold Gaskets
Fel-Pro Blue Stripe premium quality intake manifold gaskets for Small Block Chevy (SBC)
1.23" x 1.99"
NOTE: Not for use on 1982-85 engines with factory fuel injection, embossed permatorque/blue stock (blocked heat cross over)
Fel-Pro 1404 Square Port Header Gaskets
Fel-Pro Blue Stripe premium quality Small Block Chevy exhaust gaskets for headers
Square Port (stock or small race)
1.50" x 1.50"
Fel-Pro 1604 Valve Cover Gaskets
Fel-Pro Blue Stripe premium quality Small Block Chevy (SBC) valve cover gaskets
Cork-Lam 5/16" Cork Rubber With Steel Core
ARP 334-2102 Intake Bolt Kit
300-series stainless steel
One bolt head drilled for NASCAR wire seal
Hardened for accurate torquing
12 point head
170,000 PSI
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
Head Gasket Application (JPEG)
Speedy Tip for Proper Head Gasket Seal (GIF)
Specs
Sold in Quantity
Kit
Cylinder Head Style
Assembled
Spark Plug Style
Straight
Combustion Chamber Volume
76cc
Cylinder Head Material
Cast Iron
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
No
Intake Valves Included
Yes
Valve Spring Included
Yes
Cylinder Head Bolts Included
Yes
Cylinder Heads 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
No
Exhaust Runner Volume
65cc
Intake Runner Volume
165cc
Pushrods Included
No
Camshaft Included
No
Valve Guide Material
Integral, cast into head
Related Items / Suggested Parts
Dart IMCA Hobby Stock Budget SBC Cylinder Heads/Gaskets/Bolts Kit
Dart IMCA Hobby Stock Budget SBC Top End Engine Kit, Heads/Intake
Dart IMCA Hobby Stock Premium SBC Top End Engine Kit,Heads/Intake
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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