Surface Variation Head-to-Block, Head-to-Manifolds

Cylinder Head Height Specifications






Reference Sizes: H1
When New: 130.6 / 13O.7 mm (1)
Minimum Height After Stock Removal: 130.4 (1)
Permissible Variation From Evenness Of Mating Surface:
In Longitudinal Direction: 0.08 mm
In Transverse Direction: 0.00 mm
Permissible Variation Of Parallelism Of Top To Bottom Mating Surface:
In Longitudinal Direction: 0.10 mm
Peak-To-Valley Height: 0.003-0.010 mm

Reference Sizes: H2
When new: 145.91 / 146.0 mm
Minimum height after stock removal: 145.7 mm (1)
Permissible Variation From Evenness Of Mating Surface:
In Longitudinal Direction: 0.08 mm
In Transverse Direction: 0.00 mm
Permissible Variation Of Parallelism Of Top To Bottom Mating Surface:
In Longitudinal Direction: 0.10 mm
Peak-To-Valley Height: 0.003-0.010 mm

Reference Sizes: T
With Standard Size Camshaft Bearing, Diameter: 23.07 mm

Test Pressure With Air Under Water
In Bar Gauge: 2 bar

Footnotes
(1) Measure by inserting a shaft and dressing half the diameter. The stock removal at the cylinder head and at the crankcase of an engine must together not be more than 0.40 mm.