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Fig. 18. Valve dimensions to be used with Table b.
Cylinder Head and Valvetrain (4-Cylinder Engines)
page 15a-16
Fig. 18. Valve dimensions to be used with Table b.

Table b. Valve Dimensions

Engine code ACC AAZ AHU ABA
Valve head
diameter (a)
intake

exhaust
38.0 mm
(1.496 in.)
33.0 mm
(1.299 in.)
36 mm
(1.417 in.)
31.00 mm
(1.220 in.)
35.95 mm
(1.415 in.)
31.45 mm
(1.238 in.)
39.50.15 mm
(1.5550.006 in.)
32.915 mm
(1.295006 in.)
Valve stem diameter (b)
intake

exhaust
7.97 mm
(0.3138 in.)
7.95 mm
(0.3130 in.)
7.97 mm
(0.3138 in.)
7.95 mm
(0.3130 in.)
7.97 mm
(0.3138 in.)
7.97 mm
(0.3138 in.)
6.97 mm
(0.2744 in.)
6.95 mm
(0.2736 in.)
Valve length (c)
intake

exhaust
91.9+0/-0.90 mm
(3.6181+0/-0.0354 in.)
91.2+0/-0.40 mm
(3.5906+0/-0.0157 in.)
95.0 mm
(3.740 in.)
95.0 mm
(3.740 in.)
96.85 mm
(3.813 in.)
96.85 mm
(3.813 in.)
91.85
(3.6161 in.)
91.15 mm
(3.5886 in.)
Valve face angle (α)
intake

exhaust
45

45
45

45
45

45
44.4

45.15
Valve margin (e)
N/A 0.5 mm
(0.020 in.)
(intake valves only)
N/A N/A

15a Cylinder Head and Valvetrain (4-Cylinder Engines)
page 15a-16