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** NOTE Some newer lo-power (round port) A12S are spec'd for 11056-H1000 | ** NOTE Some newer lo-power (round port) A12S are spec'd for 11056-H1000 | ||
* 11057-H2301 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (TO 6/73) $3.88 | * 11057-H2301 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (TO 6/73) $3.88 | ||
+ | ** one needed | ||
* 11057-H5000 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (FROM 7/73) $4.03 | * 11057-H5000 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (FROM 7/73) $4.03 | ||
+ | ** one needed | ||
+ | ** Also used by Z24 and KA24E | ||
* superceeded 11057-H5700? | * superceeded 11057-H5700? | ||
Revision as of 02:36, 7 January 2012
Also see Changing Head Gasket for torque specifications and procedure. A-series head bolts are designed to be reused; they are not Torque-To-Yeild (TTY) bolts.
Original Lo-torque bolts (B10 & early B110 -1172) - 36 ft-lb
- 11056-18001 BOLT-FIXING CYLINDER HEAD SHORT
- 11057-18000 BOLT-FIXING CYLINDER HEAD LONG
- 11058-18000WASHER-LOCK FIXING CYLINDER HEAD
Newer medium torque bolts (1272-) - 43 ft-lb
- 11056-H1000 BOLT-FIXING CYLINDER HEAD SHORT (9 needed) $2.90
- 11057-H1000 BOLT-FIXING CYLINDER HEAD LONG [Center bolt] $2.51
- 11058-H1000 WASHER-LOCK FIXING CYLINDER HEAD $2.28
A12GX, A12T, A12S, A13, A14, A15, A12A - 58 ft-lbs
- 11056-H2301 HEAD BOLT SHORT (9 needed) $3.96
- NOTE Some newer lo-power (round port) A12S are spec'd for 11056-H1000
- 11057-H2301 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (TO 6/73) $3.88
- one needed
- 11057-H5000 BOLT-CYLINDER HEAD LONG, TO OIL GALLERY (FROM 7/73) $4.03
- one needed
- Also used by Z24 and KA24E
- superceeded 11057-H5700?
Hi-torque bolts marked "13" on the head. Remove the valve cover to verify.
head bolts Cro-Mo-V steel 13T
Lock Washer
- 11058-H1000 WASHER-LOCK FIXING CYLINDER HEAD -8504 $2.28
- 11058-21002 Washer Cyl Head 8504- $2.57