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    EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)

EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)

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EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)

Engine Quest Vortec Bolt-On Performance for 350 CID 23°Cylinder Heads -  SB Chevy IMCA-Legal Cast Iron Cylinder Head

The sole legal spec head option for small block Chevy-powered IMCA Sport Mods and Hobby Stocks. Cast iron cylinder head is a direct replacement for OEM Chevy 350 heads and includes 176cc intake ports, 76cc combustion chambers, 1.94" intake and 1.50" exhaust valves. Heads feature a superior port finish for increased air flow, redesigned water passages for improved cooling, thicker decks, and a three-angle valve job. Head is serial numbered and includes the IMCA logo. Sold individually as bare castings.

All EQ performance cylinder heads have AS-CAST combustion chambers, Dura-Bond exhaust seats, 3-angle valve job, thick deck surfaces for angle milling, phosphorus-bronze intake and exhaust guides, are machined for guide plate use, and feature raised intake runner ports for increased performance.

  • IMCA Sanctioned Sport Mod Head
  • SBC Cast Iron Head
  • 178cc S/P 76cc
  • Cylinder Head - Bare Head
  • 1.940 / 1.500 in Valves
  • 178 cc Intake
  • 76 cc Chamber 
  • Straight Plug
  • Iron 
  • Small Block Chevy
  • Sold as Each
  • MPN: EQ-CH350I

Specifications

Product Line
IMCA Sport Mod
Brand
Engine Quest
Part Number
EQ-CH350I / EQCH350I
Assembled/Bare
Bare
Chamber Volume
76 cc
Plug Angle
Straight
Intake Runner Volume
176 cc
Exhaust Runner Volume
67 cc
Intake Port Shape
Rectangle
Intake Port Location
Stock
Intake Port Height
2.025 in
Intake Port Width
1.200 in
Exhaust Port Shape
Square
Exhaust Port Location
Stock
Exhaust Port Height
1.350 in
Exhaust Port Width
1.400 in
Exhaust Port Bolt Pattern
Stock
Intake Valve Size
1.940 in
Intake Valve Included
No
Exhaust Valve Size
1.500 in
Exhaust Valve Included
No
Valve Spring Included
No
Valve Seal Included
No
Rocker Studs Included
No
Pushrod Guide Plate Included
No
Valve Guide Included
Yes
Valve Guide Material
Cast
Center Mount Valve Cover
Yes
Valve Seat Included
Yes
Intake Valve Seat Material
Ductile Iron
Exhaust Valve Seat Material
Ductile Iron
Valve Seat Finish
Machined
Combustion Chamber Finish
As Cast
Intake Runner Finish
As Cast
Exhaust Runner Finish
As Cast
Intake Valve Angle
23 Degree
Exhaust Valve Angle
23 Degree
Accessory Bolt Holes
Drilled and Tapped
Material
Cast Iron
Color
Natural
Finish
Natural
Quantity
Each

Description

Product code: EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
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EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)
EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)

EngineQuest Cylinder Head SBC (IMCA Spec/UMP Legal)