185cc Aluminum Small Block Chevy Cylinder Heads
Technical Specifications and Recommended Components:
Combustion Chamber - 64cc
Weight - 55.00 lbs
Intake Runner - 185cc
Exhaust Runner - 72cc
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
The ProMaxx Performance Small Block Chevy Cylinder Heads are manufactured from cast aluminum and are offered with straight or angled spark plug ports, a variety of intake port runner, combustion chamber and valve sizes to work on all of your performance engine builds from mild to wild! Features JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.
JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.
Are these heads compatible with a 1987 or newer 5.7 liter, l98, roller motor? Also, would you happen to know that since this is a factory roller motor, is it compatible with a hydraulic flat tappet cam?
can you reach over 430 hp with these heads, do you know what roller cam will fit these heads, also do you get both cylinder heads for 843.99?
could i use these on my 94 chevy with center bolt vavle covers thanks
Are these heads able to be used with a solid flat tappet cam shaft /
Can this head run self aligning roller rockers (Comp Cams 1617-16)
Can you run a hydraulic roller cam with these
Will these fit older gen 1 chevy motor ?
how many rps is this good for.... iwant a 350 or a 383 with a redline of 7k
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WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.