Tomei Powered 4G63-22 KIT - Manual (Page 7)

Bore Part No. Ring
Compression
Height
Pin
Diameter
Displacement
( c c )
Crown Volume
( c c )
Recession
φ85.5 1151855212 Standard 31.65 φ 2 2 2158 +20.5 Done
φ86.0 1151860212 Standard 31.65 φ 2 2 2183 +20.5 Done
Bore
Compression Ratio Reference
（Based on Gasket Size）
Gasket
Bore size
t=1.0mm t=1.2mm t=1.5mm t=1.8mm
φ85.5 8.7 8.6 8.4 8.2
φ86.5
φ86.0 8.8 8.7 8.5 8.3
Part No.
Conrod Conrod Bolt Conrod Bearing
Center Distance
(mm)
Large Dia. Edge×Thickness Small Dia. Edge ×Thickness
（Bush Bore ）
Material Screw
Size
Screw
Length In
Dia.
Bearing
Width
125005 150 φ 4 8 × 2 6 . 4 φ 2 2 × 2 3 SNCM439 3/8-24 40 φ 4 5 21
Stroke (mm) Weight (kg)
94.0
(STD:88.0)
17
(STD:14)
- 7 -
CLEARANCE CHECK
The cylinder block illustration on the left shows the
points where the conrods will have interference.
There is another 1mm~ 1.5mm
of clearance
that needs to be made in order for the conrods to
have adequate clearance. This can be done with a
hand router.
SPECIFICATIONS
PISTON
NOTE: The figures above are based on this kits Crankshaft and Conrod. *
COMPRESSION RATIO REFERENCE VALUES
CONROD
CRANKSHAFT