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  • 153 181 4 cyl Performance head 2.5 3.0

153 181 4 cyl Performance head 2.5 3.0

SKU:
$950.00
$950.00
Unavailable
per item

As the title says. Performance head for the 153 181 4 cyl engines.

Expect a TQ and HP increase with this head.

Cleaned

Cracked checked

Pressure tested

New guides installed

Intake valve increased to 1.94

Exhaust valve increased to 1.60

Hardened Exhaust seats

Throat were cut for the larger vales and radius-ed in by hand

HI-FLOW bolt in lump kit installed

Machined for Viton valve seals

Machined for 7/16 roller rockers ( we sell those too)

Stainless steel chromed stems valves. Undercut stems.

Setup with .525 lift capable springs and lite weight retainers.

Head decked .030 to increase compression

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  • Home
  • Store
    • Valve Covers
    • Side Covers
    • Performance Cylinder heads and Parts
    • Exhaust
    • Accessories
    • Alternator and Power Steering
    • NOS GM Inline 6 and V8 Parts
    • Turbo Related
    • Bolt In Lump Kits
    • Breather Adaptors
    • Pistons
    • Rods
    • Intakes
    • Mounts
    • Timing Covers
    • Engines
    • Camshafts
    • Shortblocks
    • Engine Stands
    • Harmonic Balancers
    • Bearings-Gaskets-Oil Pump
    • Torque Plate
    • Distributor Blueprinting
    • Carburetors
    • Air Cleaners Used
    • Vehicles
    • 12 Bolts and Parts
  • Inline 6 Articles
    • Me and My Turbo
    • Sissell Literature circa 1988
    • Sunset Chevy
    • 2 HP Per Cubic Inch
    • Cotton Perry
    • Six Abuse
    • Six In a Row Makes it GO
    • Soup of the Day
    • Stovebolts Storm Again
    • Stovebolt Storm Part 2
    • Straight Six Shooter
    • The Buzzin Half Dozen
    • Turbo Tornado
  • Lump Head information
    • General Head Information
    • Inline cylinder head flow
    • Bolt in lump installation instructions
  • Services
  • Gearing Calculator
  • Photos
    • 12 Bolt Pics
    • Inline 6 Pics
    • 292 Turbo EFI
    • Shop Tour
  • Videos
    • 12 Bolt
    • Inline 6
    • Customer Cars
  • Links
  • Tech Tips
  • Wanted
  • About Us
  • Contact
  • Inline Engine Build Ideas
  • Jacob's Journey