What gaskets for your build

are you guys using oem gaskets for your builds? I’m thinking about ordering the stage 3 oem Mazda kit from edge while it’s on sale this weekend. I ended up going with the Manley pistons and rods. Thoughts on this kit?

 

OEM gaskets are fine all the way around and proven to be good for almost any application. But Cometic MLS head gasket is good too. If your power goals are high, it is strongly recommended to go with L19 or 625+ head studs.


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Not sure why that said lemons instead of oem gaskets. I probably going to shoot for 400-450 for now until I can change out the CST4. I will probably go for more so I’m putting the L19 studs in

 

Cometic MLX not MLS

 

MLS is fine. Studs are 1000% more important and to my knowledge I don’t think anyone has ever blown a MLS on this platform unless it was actually a stud or deck issue. I know gaskets are cheap, but I see little point in paying more for MLX unless you’re trying to set records.


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This is what I used on my build and has been working well for a year plus now, 10k ish miles. I found it was the cheapest to go this route as I did not need OEM for some parts and was buying the Cometic head gasket so buying the kit with that plus other stuff I did not need was just more money.

1 Crower Springs 68195-16 Valve Springs AMAZON
2 151-1001 ARP Camshaft Sprocket Bolt Kit ARP
1 ARP 251-2501 Crank Bolt ARP
1 ARP 218-5402 Main Studs ARP
1 ARP 251-2802 FlyWheel Bolts ARP
1 CB-1925A - Clevite AL Connecting Rod Bearing Set STD Mazda Mazdaspeed Rod Bearings Real Street
1 MS-2245A - Mahle Clevite Main Bearings AL Series STD Size Mazdaspeed 3 Main Bearings Real Street
1 F2GZ-6600-A Ford Focus Engine Oil Pump - Ford FORD OEM
1 Freek h11 Head Studs Freek
16 GM Ecotec 90537243 GM Retainers GM
1 L3K9-12-201A Timing Chain MAZDA OEM
1 L3K9-12-671 Timing Chain Lever (left guide) MAZDA OEM
1 L3K9-12-614 Timing Chain Guide (right guide) MAZDA OEM
2 9XG0-36-430L Timing Chain Guide Bolt MAZDA OEM
1 L3K9-12-500A Timing Chain Adjuster (tensioner) MAZDA OEM
1 LF17-12-717A Timing Chain Adjuster Bolt MAZDA OEM
1 L3K9-12-4X0C-9U VVT Actuator MAZDA OEM
2 L3K9-12-429 Cam Sprocket Washers MAZDA OEM
1 L3K9-14-151 Oil Pump Chain MAZDA OEM
1 L3K9-14-614 Oil Pump Chain Guide MAZDA OEM
1 L3K9-14-500 Oil Pump Chain Tensioner MAZDA OEM
1 9XG0-62-860L Oil Pump Chain Tensioner Bolt MAZDA OEM
3 9XG0-36-510L Oil Pump Chain Tensioner Bolt & Oil Pump Chain Guide Bolt MAZDA OEM
1 L3K9-14-143 Oil Pump Sprocket MAZDA OEM
1 9XG0-43-977L Oil Pump Sprocket Bolt MAZDA OEM
4 9XG1-20-220L Oil Pump Bolt MAZDA OEM
1 L3G6-14-240B Oil Pump Pickup MAZDA OEM
1 L309-14-248 Oil Pump Pickup O-Ring MAZDA OEM
2 9XG0-62-820L Oil Pump Pickup Bolts MAZDA OEM
3 L3H5-11-407 Crank Friction Washers MAZDA OEM
1 1F70-15-100 Water Pump MAZDA OEM
1 0000-77-1217-ES MAZDA RTV MAZDA OEM
1 LF01-11-310A Rear Main Seal MAZDA OEM
1 L3G6-10-602 Crankshaft Timing Cover Oil Seal MAZDA OEM
1 L305-16-520 Release Fork Trans Clutch MAZDA OEM
1 YF09-11-303 Pilot Bearing MAZDA OEM
4 GB REMANUFACTURING 8059 Fuel Injector O-rings Rock Auto
1 GATES VVS179 VVT Solenoid Rock Auto
1 TYC 117914 Starter Motor Rock Auto
1 MAHLE VS50562 Valve Cover Gaskets - Main Rock Auto
1 MAHLE MS19831 Exhaust Gasket Rock Auto
1 MAHLE SS46019 Exhaust Valve Guides Rock Auto
1 MAHLE SS460198 Intake Valve Guides Rock Auto
1 MAHLE C32438 Water Octopus Seal Rock Auto
1 STANDARD MOTOR PRODUCTS GDG501 Fuel Pump Gasket Rock Auto