Childs & Albert .927 X 2.950 Chamfered .150 Straight Wall 8620 Steel Piston Pins COMETIC C5424 • Head Studs:

COMETIC C5424 • Head Studs: ARP 234-4727 (12 pt WITH 3/8 CENTER STUDS) • Accessory Bolt Holes Are Drilled• Spark Plug Starting Points: NGK R5671A-10 FOR ALCOHOL NGK R5671A-9 FOR RACING GAS• Spring Pockets: 1

880 EXHAUST     132                    176                   211                  235                 254                  264                 270

They’re designed for 4

Part Number 550-441K

2010 systems have not yet been granted an exemption by the California Air Resources Board

Childs & Albert .927 X 2.950 Chamfered .150 Straight Wall 8620 Steel Piston Pins COMETIC C5424 • Head Studs:CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. *These pins have been polished with Scotchbrite to remove surface discoloration. For virtually it's entire history, Childs & Albert was one of the World's foremost manufacturers of quality wrist pins. Complete in house machining and heat treating operations ensured the best quality products for every single engine. Steel pins were machined from solid 8620 bar stock, heat treated and triple tempered, and