CHEVY



SPECIFICATIONS

PART NO.
RING PACK
NOTES: HEAD PHOTO/EFFECTIVE HEAD VOL.
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT.PISTON/PIN
400
V-8
4.125"
3.750"
5.565"
.0020"
1.561"
.9272"
FLAT TOP
9.025"
580/145g
 
KB172*
2-5/64

1-3/16


Head vol.-
Comp.ratio
58cc -12.3
62cc - 11.7
64cc - 11.4
76cc - 10.1
5.565"ROD

1)High compression flat top.





SIZES Std.,.020,.030,.040,.060

+7cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT.PISTON/PIN
400
V-8
4.125"
3.750"
5.565"
.0020"
1.561"
.9272"
.150 Pop-up
9.025"
605/145g
 
KB182*
2-1/16

1-3/16


Head vol.-
Comp.ratio
58cc -14.1
62cc - 13.3
64cc - 12.9
76cc - 11.2
5.565"ROD

1).150 solid dome.






SIZES Std.,.020,.030,.040,.060
Check piston dome-to-cylinder head clearance.

-3.25cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT.PISTON/PIN
400
V-8
4.125"
3.750"
5.700"
.0020"
1.433"
.9272"
30cc D-cup
9.025"
565/145g

KB126*

2-5/64

1-3/16


Head vol.-
Comp.ratio
58cc -9.6
62cc - 9.3
64cc - 9.1
76cc - 8.3
5.7"ROD

1)Check for rod-to-cam clearance. Most rods require grinding at the rod bolt for clearance.

2)Check rod balance pad-to-piston clearance, underside of piston cup.

SIZES Std.,.020,.030,.040,.060

+30cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT.PISTON/PIN
400
V-8
4.125"
3.750"
5.700"
.0020"
1.433"
.9272"
22cc D-cup
9.025"
545/145g
 
KB168*
2-5/64

1-3/16


Head vol.-
Comp.ratio
58cc -10.4
62cc - 9.9
64cc - 9.8
76cc - 8.8
5.7"ROD

1)Check for rod-to-cam clearance. Most rods require grinding at the rod bolt for clearance.

2)Check rod balance pad-to-piston clearance, underside of piston cup.

SIZES Std.,.020,.030,.040,.060

+22cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT.PISTON/PIN
400
V-8
4.125"
3.750"
5.700"
.0020"
1.433"
.9272"
18cc D-cup
9.025"
543/145g
 
KB147*
2-5/64

1-3/16


Head vol.-
Comp.ratio
58cc -10.8
62cc - 10.4
64cc - 10.2
76cc - 9.1
5.7"ROD

1)Check for rod-to-cam clearance. Most rods require grinding at the rod bolt for clearance.

2)Check rod balance pad-to-piston clearance, underside of piston cup.

SIZES Std.,.020,.030,.040,.060

+18cc

Part numbers with an asterisk * are not legal for sale or use on pollution controlled motor vehicles.


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