Click on image to zoom

19331426 - Signature Series Aluminum "Rectangle" Cylinder Head- "Bare"

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

19331426
Sold
Shipping: No Longer Available

Description

This Cylinder head fits all 1965-1996 Mark IV AND GEN V and VI 396 thu 502 cubic inch Big Block Chevrolet engines. They are fully machined with semi-finished bronze alloy guides and semi-finished valve seats that use 2.19/1.88" valves. These high velocity 315cc long intake runner and 300cc short runners enhance mid-range throttle response and torque. The exhaust runner volume is 110cc. The 118cc semi-open combustion chamber design will make a very streetable compression ratio. Spring DIA is 1.55", with 7/16" rocker stud holes. Thse accept all stock accessory brackets except GEN V where the bracket holes have been enlarged to 7/16". The rocker studs and exhaust bolt holes are heli-coiled for strength. Intake and exhaust ports are in stock locations. Technical Notes: These heads are made from 356-T6 aluminum alloy. The 9/16" deck surface is for maximum strength and great head gasket sealing. Designed for 3/8" push rod diameter. These heads require cylinder head bolt kit P/N 12367779. Use the following performance head gasket 1965-1990 with standard bore to 4.370" use P/N 12363414 and with 4.47" to 4.54" use gasket P/N 12363411. The semi-finished bronze guide can be finished either 11/32" or 3/8". The interlocking hardened valve seat will accept leaded or unleaded gas. Use intake gasket P/N 12511789.

Application List

Universal

Details

Categories

Shipping Information

  • Item Requires Shipping
  • 35.5 lbs.
  • W9.8000” x H7.3000” x L25.0000”
  • No Longer Available

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.



Trusted Specialists GM engine & parts specialists
Located in the USA Owned, operated, & employed
Need Assistance? Call us at 888-748-4655
Mon-Thu 8am-6pm EST
Fri 8am-5:30pm EST
Have a Question Email us and we'll get back to you within 24 hours