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Im Superrrrr!
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Discussion Starter #1 (Edited)
1 Left headgasket
Grade A: 97309562
Grade B: 97389257
Grade C: 97389258

1 Right Headgasket
Grade A: 97309559
Grade B: 97309560
Grade C: 97309561

1 Set of ARP Headstuds: # 230-4201

Injector installation kit:
(2x)Internal Return line to head banjo seal: #97600925
(8x) Injector to return line banjo seal: #97228933
(8x) Injector copper washer: #97216082
(8x) Injector body Oring: #94011699
(8x) Injector line Oring: #94011701

1 tube of loctite Super Grey gasket maker

(16x) Injector cup oring: #94051259

(2x) External return line to head banjo seal (passenger front/ driver rear): #97600925

(1x) Fuel return line to fuel distribution block: #97250485

(2x) Coolant Ybridge to head gasket: #97223686

(1x) Heater pipe to Thermostat pipe Oring: #94011605

(1x) Upper radiator pipe Oring: #94011604

(1x) Lower Bypass pipe oring: #94011603

(1x) Upper bypass pipe: #94011602

(2x) Exhaust Manifold to Up pipe gasket: #97188685



Optional Stuff: (8x) Injector return line banjo bolt: #97228929 (Rec having a few extra, they strip easy)

(8x) Injector cup: #97188463

(3-4x) banjo seal (nice to have, used in various locations): #97600925

(1x) Turbo downpipe gasket: #97192619

(2x) Turbo pedestal to up pipe gasket: #97192618

(2x) Yrbidge gasket (highly recommend): #97251963

(2x) Exhaust manifold gasket (if manifold is removed): #98002804

(2x) lower valve Cover gasket (reusable): #97188896

(12x) hex head bolts to replace oe allen head lower valve cover bolts: ace hardware

(11x) hardened allen head bolts for upper valve cover (oe strip easy): ace hardware


Think that is everything.
John
 

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Im Superrrrr!
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14,517 Posts
Discussion Starter #2
Listed a few extra Orings, Its too easy/cheap to change them while its apart. Not so easy if you put it back together and one leaks.

Ybridge gaskets are supposedly reusable, but I recommend changing them as well. I changed mine and even put a gasket maker on em to make sure.

Pretty sure i covered everything.
 

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Im Superrrrr!
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Discussion Starter #4

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what is the difference between Grade A B or C ??
 

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A,B,& C stand for different thicknesses. GM mixed and matched what went into the motors, so some have the same on both sides, some different. When replacing head gaskets in house we go to the Grade C. It's the simple solution, you are able to resurface the heads and still not have clearance issues, and it doesn't lower the compression enough to notice a change in power.
The grade C is also what we use in all of our head gasket kits that we ship worldwide daily.
 

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I appreciate that information and as soon as I find out what my problem is if it is my head gasket more than likely will be getting them from you if you have a ARP with them kits
 

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Im tryin to figure out what head gasket i have it just has a L though no A,B, or C?
 

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(O ) ( O) looks like that??
 

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k thanks for the help looks like its A
 

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if its not that big of a deal then why make three different thicknesses gaskets from the manufacturer??
 

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need it

1 Left headgasket
Grade A: 97309562
Grade B: 97389257
Grade C: 97389258

1 Right Headgasket
Grade A: 97309559
Grade B: 97309560
Grade C: 97309561

1 Set of ARP Headstuds: # 230-4201

Injector installation kit:
(2x)Internal Return line to head banjo seal: #97600925
(8x) Injector to return line banjo seal: #97228933
(8x) Injector copper washer: #97216082
(8x) Injector body Oring: #94011699
(8x) Injector line Oring: #94011701

1 tube of loctite Super Grey gasket maker

(16x) Injector cup oring: #94051259

(2x) External return line to head banjo seal (passenger front/ driver rear): #97600925

(1x) Fuel return line to fuel distribution block: #97250485

(2x) Coolant Ybridge to head gasket: #97223686

(1x) Heater pipe to Thermostat pipe Oring: #94011605

(1x) Upper radiator pipe Oring: #94011604

(1x) Lower Bypass pipe oring: #94011603

(1x) Upper bypass pipe: #94011602

(2x) Exhaust Manifold to Up pipe gasket: #97188685



Optional Stuff: (8x) Injector return line banjo bolt: #97228929 (Rec having a few extra, they strip easy)

(8x) Injector cup: #97188463

(3-4x) banjo seal (nice to have, used in various locations): #97600925

(1x) Turbo downpipe gasket: #97192619

(2x) Turbo pedestal to up pipe gasket: #97192618

(2x) Yrbidge gasket (highly recommend): #97251963

(2x) Exhaust manifold gasket (if manifold is removed): #98002804

(2x) lower valve Cover gasket (reusable): #97188896

(12x) hex head bolts to replace oe allen head lower valve cover bolts: ace hardware

(11x) hardened allen head bolts for upper valve cover (oe strip easy): ace hardware


Think that is everything.
John
I may need this kit if my injetcor cup didnt popped. how can i oreder them and how much..
 

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Question for you guys. Looks like my headgaskets need replaced(oil in antifreeze and previous owner removed thermostats). How likely might it be to need to replace the cylinder heads at the same time?
 
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