Buy Caterpillar 8S6461 - CYLINDER HEAD GROUP at wholesale prices with easy payment and fast shipping options. Save up to 50% OFF OEM pricing. Compatible Machines:- ENGINE - MACHINE- OFF-HIGHWAY TRUCK- WHEEL TRACTOR-SCRAPER Compatible Models:- D346- 773- 641B- 650B- 651B- 657B- 660B- 666B Units Containing The Spare Part :- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--Side View Part 1 of 2 (D346)- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--End View Part 2 of 2 (D346)- 8S6461 CYLINDER HEAD VALVE MECHANISM GROUP--End View--Part 1 of 2 (D346)- 8S6461 CYLINDER HEAD AND VALVE MECHANISM GROUP--Side View--Part 2 of 2 (D346)- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--Side View--Part 1 of 2 (657B)- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--End View--Part 2 of 2 (657B)- 8S6461 CYLINDER HEAD AND VALVE MECHANISM GROUP--Side View--Part 1 of 2 (657B)- 8S6461 CYLINDER HEAD AND VALVE MECHANISM GROUP--Side View Part 1 of 2 (641B)- 8S6461 CYLINDER HEAD AND VALVE MECHANISM GROUP--End View Part 2 of 2 (641B)- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--Part 1 of 2 (773)- CYLINDER HEAD AND VALVE MECHANISM (8S6461 N/S)--Part 2 of 2 (773)- 8S6461 CYLINDER HEAD AND VALVE MECHANISM GROUP--End View--Part 2 of 2 (D346)