ProMaxx Performance 190cc Aluminum Cylinder Heads Small Block Chevy
723-2181
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190cc Aluminum Small Block Chevy Cylinder Heads
Technical Specifications and Recommended Components:
Combustion Chamber - 64cc
Weight - 55.00 lbs
Intake Runner - 190cc
Exhaust Runner - 62cc
Intake Valve Size - 2.02"
Exhaust Valve Size - 1.60"
Max. Valve Spring Lift - .575" Hydraulic Flat Tappet
Spring Pressure - Closed 115 lbs. @ 1.800", Open 315 lbs. @ 1.225"
Valve Seal Material - Viton
Valve Guide - Manganese Bronze
Retainer Material - Steel
Valve Job - 5-angle
Head Bolts - ARP 070-134-3601
Valve Spacing - OEM
Valve Seats - Hardened Steel
Intake Gasket - Fel-Pro 375-1206 or 375-1266
Exhaust Gasket - Fel-Pro 375-1405
Head Gasket - Fel-Pro 375-1004 or 375-1094
Spark Plug - 750" Reach Gasket Seat
Specifications:
Will these heads work on a 400 sbc , I can’t seem to find any heads that have the steam hole provisions for a 400
What's the rocker stud size on these heads 3/8 or 7/16 ?
What sparkplugs are recommended for these heads? 1981 chevy 350.
Will this fit my 2008 Silverado 1500? 6.0L/364ci
what years will this fits
Motor Vehicles
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Tools:
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Electrical Cords
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