Porsche CMS 901 Early Side Cover - 911 - 912 65-69 CMS-901-SC 99610662302 Porsche Part Number: 644

Porsche Part Number: 644

part number 964-230-580-1270F

joined the team at Total Seal Piston Rings

C4 (1989-1994) and 911 Turbo models (1996-1997)

The cylinder barrels are aluminum with a cast iron sleeve and finished on a Sunnen CNC honing machine

Porsche CMS 901 Early Side Cover - 911 - 912 65-69 CMS-901-SC 99610662302 Porsche Part Number: 644Porsche Uses supplied O ring; deletes paper gasket. At last, a strengthened side plate for the early aluminum case 901 transmissions! Fits all vintage Porsche 911 and 912 short wheel base cars '65 '68 some early '69 models with ALUMINUM "chilled casting". Precision machined from aircraft grade billet aluminum to exacting standards for perfect fit and function Oil passageway for standard taper roller bearing Replaceable clutch cable bracket Uses stock