Product Summary

Chevy Small Block V8, Gasket(s) Included

  • Head intake port volume measures 180cc. Accepts both perimeter and center bolt valve covers
  • Valve guides are compatible with all common valve materials and fuels. The 64cc fast-burn combustion chambers are designed to deliver big power
  • Cam has a 280H Grind, 2000-6000 RPM Range. Features that iconic rough idle that comes with high horsepower engines
  • The 180 degree dual plane design with larger-than-stock plenum and runners optimizes power
  • Intake, valve cover and head gaskets included.

Comes as a Kit

Key Specs

BrandSpeedway Motors

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Flo-Tek Heads

  • Standard port location for use with most intake and exhaust manifolds
  • 180cc intake port volume
  • 62cc exhaust port volume
  • 64cc fast-burn combustion chambers deliver big power
  • 2.02” intake/1.60” exhaust valves
  • 3-angle valve job enhances flow at low-to-mid lifts
  • Swirl polished & undercut stainless steel valves
  • Intake flows 232 CFM @ .500” lift
  • Exhaust flows 173 CFM @ .500” lift
  • Accepts both perimeter and center bolt valve covers
  • Single 1.46” diameter valve springs w/ inner damper
  • Suitable for flat tappet camshafts up to .550” lift
  • 7 degree lightweight chromoly retainers and keepers
  • Hardened steel spring cups for durability
  • High nickel powdered metal valve seats provide optimum heat transfer and wear characteristics
  • Manganese bronze valve guides reduce friction
  • Valve guides are compatible with all common valve materials and fuels
  • Viton positive valve seals
  • 2-piece hardened steel pushrod guide plates for use with hardened pushrods
  • 3/8” chromoly screw-in rocker arm studs included
  • Blocked exhaust heat riser manifold crossover port
  • 3/8” NPT coolant temperature probe port
  • Designed for 4" bore small block Chevy engines (302/327/350/383)

Cam and Lifter Set

These COMP Cams camshaft and lifter kits are just the ticket whether its for a daily driver or hot street machine. These "CL" kits include new camshaft, new hydraulic lifters and camshaft lube.

Great for street machines. Needs stall, headers and gears. Rough idle.

280H Grind, 2000-6000 

Intake Manifold

If you're building a high-performance Small Block Chevy on a budget, then this is the intake manifold for you! The Speedway Hi-Rise aluminum intake is a dual plane, 180° street manifold designed to be used with Holley, Carter AFB or Edelbrock square flange carbs. Fits 1957-86 S/B Chevy engine applications.

  • Plain finish
  • Power range is 1500-6500 RPM
  • Larger-than-stock plenum and runners complements other upgrades
  • Supports larger engines & enhances RPM potential
  • Power comparable to single plane manifolds yet retains throttle response/driveability of a dual plane
  • Dual distributor hold-downs
  • Accepts HEI distributor
  • Extra Thick Valve Cover Gasket part # 550179 is recommended for added valve cover clearance with this intake

Kit Includes

(2) Flo-Tek 102505 Assembled S/B Chevy Aluminum Head, Straight Plug

(1) COMP Cams CL12-212-2 S/B Chevy Magnum Cam & Lifter Kit, 2000-6000 RPM

(1) Speedway 1957-86 Small Block Chevy Hi-Rise Intake Manifolds

(1) Speedway Small Block Chevy Intake Gasket Set, 1204 Style, Standard

(1) Mr Gasket 955G Intake Manifold Bolt Kit, 3/8-16 x 1 Inch

(1) Speedway Small Block Chevy Steel Core Valve Cover Gaskets, Pre-1986

(2) Speedway Small Block Chevy 283-350 Head Gaskets, 4.0 Inch Bore

(2) Manley 42171 Small Block Chevy Head Bolts

(1) Manley 42102 Head Bolt Washers


These fully assembled heads are ready to run and are a great match to flat tappet camshafts. They're compatible with solid (mechanical) flat tappet or hydraulic flat tappet cams with up to .550” lift. The valve springs (single with flat wire inner damper) have a seat pressure of 120 lbs. Valves are +.100" long and must be used in conjunction with aftermarket aluminum roller rocker arms to clear valve springs used which are 1.46" diameter. The valve springs have 120 lbs. @ 1.800" installed height and 290 lbs. of open pressure at 1.20” (coil bind is at 1.160”).



BrandSpeedway Motors
Gasket(s) IncludedYes
Cylinder Head StyleAssembled
Combustion Chamber Volume64cc
Intake Runners180cc
Exhaust Runners62cc
Intake Valve Diameter2.02"
Exhaust Valve Diameter1.60"
Camshaft IncludedYes
Intake Manifold IncludedYes
Intake StyleDual Plane
Lifters IncludedYes
Cylinder Head MaterialAluminum
Intake Port ShapeRectangle
Spark Plug StyleStraight
Cylinder Head Bolts IncludedYes
Cylinder Heads IncludedYes
Head Gaskets IncludedYes
Intake MaterialAluminum
Sold in QuantityKit