Empi GTV2 90.5/92mm 40x35 Big Valve Cylinder Head - 98-1333-B oil sender Empi 155 Main Jet for

Empi 155 Main Jet for IDF HPMX EPC IDA DCOE - Each - 43-5310

increasing combustion chamber volume and thereby reducing compression

Empi 98-8722-B

Alternate part numbers 311501221

the trigger source and ignition are all functioning properly

Empi GTV2 90.5/92mm 40x35 Big Valve Cylinder Head - 98-1333-B oil sender Empi 155 Main Jet forEmpi 98 1333 B GTV 2 performance cylinder head for 90. 5mm or 92mm bore Type 1 engines. Features 40mm x 35. 5mm stainless steel valves, single hi rev valve springs, 20 percent larger intake and exhaust ports, and additional material around combustion chamber and ports for larger custom porting and combustion chamber flycutting. The GTV 2 cylinder heads are a big valve head with performance valve job, and a premium casting for high performance builds.