Complete Aluminum Head Retro-Fit Hydraulic Roller Top Engine Kit
Aluminum SBC Heads
Picture is NOT Totally Correct Parts list is
Check it out the only thing you need is your short block!!!!
We have figured all the parts out for you and corrected rocker arm geometry ALL you have to do is assemble.
Need you to pick Straight or Angle Plug heads, camshaft, intake manifold and valve cover options.
We can help with any tech questions just email
CGMSHIPPING@AOL.COM
This kit will fit Hydraulic roller and 2pc rear main seal type SBC BLOCKS
Add $40 for 400 SBC to drill steam holes
Here is the list of everything included you need to complete the top of your engine
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Pair of Assembled Aluminum 200cc Heads(Check Out Specs.)
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Polished Aluminum timing cover
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Aluminum 1.5 ratio 3/8 stud roller rocker arms
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Polished aluminum Tall valve covers(upgrade to Fabricated $75)
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ARP 134-2001 Intake manifold bolts
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Matching intake gasket
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New set of Head Bolts
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Professional Products Intake manifolds choice
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Roller timing chain set
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Cam lock plate and cam bolts set
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Cam Thrust button
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MLS head gaskets and cam change gaskets
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Tiebar hydraulic roller lifters
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Matching 5/16'" .065 wall pushrods
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Erson Retro-Fit Hydraulic Roller Camshaft of choice(Check out cam choices below)
We can add or subtract any parts in this kit to meet your needs!!!
Straight plug or Angle Plug
200cc intake runner
64cc chambers with improved flow chambers
Stronger Pressure casted Aircraft grade 356A aluminum alloy heat treated to T6 specs.newer process with less porousity and better consistance of port sizing
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Harden valve seats
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Bronze valve guides
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Accepts center bolt and rail type valve covers
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Standard accessory bolt holes
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Plus .400 thick deck for severe uses
2.02 intake valves
1.60 exhaust valves
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Valves are one piece forging EV-8 stainless steel alloy
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Harden chrome plated stems
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Undercut stems powerflow design for improved flow
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Fully machined and swirl polished stems
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Harden tips NO lash caps required
Hydraulic roller valve springs
1.440 Diameter (dual spring w/damper)
135lbs at 1.800" installed height
320lbs at 1.200" open pressure
Max. lift .600
We assemble all heads in our shop to your application using high quality parts
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High temperature Positive viton valve seals for superior oil control
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5/16" guideplates high quality heat treated steel
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3/8" screw in rocker studs 190,000
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7 degree chrome moly retainers to match springs
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7 degree 11/32" valve locks
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Harden spring cups and shims
We flow tested these heads on our Superflow SF1020 flow bench with Preformance Trend analyzing software using valves and head as they come from manufactures. These flow numbers are not inflated to sell heads. We have seen up to a +/- 5% from these flow numbers from casting to casting.
These Heads flow over 500HP without porting work!!!
Intake flow data w/2.02" at 28" of water
LIFT CFM
.100" 63.7
.200 113.9
.300 161.3
.400 201.3
.500 232.0
.600 250.7
Exhaust flow data w/1.60" at 28" of water
.100 57.2
.200 101.0
.300 127.6
.400 152.1
.500 159.5
.600 169.4
Hydraulic Roller Camshaft Choices
LIFT @.050 DUR. LOBE SEP. POWER RANGE
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.480/.480 218/226 108 2200-5200
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.548/.548 226/234 108 2500-5500
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.548/.548 226/234 112 2500-5500
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.548/.548 238/246 108 3000-6000
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.548/.548 238/246 112 3000-6000
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.548/.548 242/250 108 3500-6500
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.548/.548 250/258 108 3500-6500
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Nitrous Cams
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.548/.548 226/238 112 3000-6000
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.548/.548 234/246 112 3500-6500
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.548/.548 343/250 114 3800-6800
Upgrade any of above camshaft to the latest technology 4-7 swap firing order add $70
Go to Shopping Cart for all upgrade selections!!
If your application requires different springs and Camshaft then shown just Email and we will quote if price is different CGMSHIPPING@AOL.COM
We are a premier High performance machine shop with over 20 years in business. All heads are inspected and machine work done in our shop. We DO NOT just assemble these heads each set is machined and built to the buyers application.Buyer responsible for fitment like any HP parts. If you have any question please contact us..
CGM MOTORSPORTS
8211 Cloverleaf Dr. Millersville, Md 21108
Phone (410)766-SHOP(7467)
EMail CGMSHIPPING@AOL.COM