Mazworx 1/2" head stud kit 8740 is a must for any high horsepower SR20 engine. We recommend these for anything over 600whp.
Your block and head will have to be machined to fit these headstuds. We can provide the machining service for your components if you require it.
Specifications
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Note
These larger studs requires the engine block to be drilled and taped for proper fitment. The cylinder head and head gasket also have to be drilled to fit these larger studs.