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
327
V-8
4.000"
3.250"
5.700"
.0015"
1.678"
.9272"
FLAT TOP
9.025"
569/145g
KB156
2-5/64
 1-3/16

Head vol.-
Comp. ratio
58cc -10.3
62cc - 9.8
64cc - 9.6
76cc - 8.4
5.7"ROD

1)Designated as O.E. replacement for 10:1 engines manufactured in years 62-69.

2)* All other years.

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
327
V-8
4.000"
3.250"
5.700"
.0015"
1.678"
.9272"
.100 Pop-up
9.025"
585/145g
KB157
2-5/64 
1-3/16

Head vol.-
Comp. ratio
58cc -11.3
62cc - 10.8
64cc - 10.5
76cc - 9.1
5.7"ROD

1).100 solid dome.

2)Designated as O.E. replacement for 327 F.I. engines manufactured in years 62-65.

3)* All other years.

4)Not recommended for street use because of high compression and today's low octane fuel.

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

Check piston dome-to-cylinder head clearance.

-.5cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT. PISTON/PIN
327
V-8
4.000"
3.250"
6.000"
.0015"
1.385"
.9272"
FLAT TOP
9.025"
485/145g
KB154*
2-1/16 
1-3/16

Head vol.-
Comp. ratio
58cc -10.4
62cc - 9.9
64cc - 9.7
76cc - 8.5
6.0"ROD






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

+6cc
C.I.D.
CYLINDER
BORE
STROKE
ROD LENGTH
MIN. CLEARANCE
COMP. HT.
PIN DIAMETER
HEAD TYPE
CRANK CL TO DECK
WT. PISTON/PIN
327
V-8
4.000"
3.250"
6.000"
.0015"
1.385"
.9272"
.150 Pop-up
9.025"
515/145g
KB155*
2-1/16 
1-3/16

Head vol.-
Comp. ratio
58cc -11.8
62cc - 11.1
64cc - 10.8
76cc - 9.4
6.0"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
334
V-8
3.736"
3.750"
5.565"
.0015"
1.561"
.9272"
12cc D-cup
9.025"
493/145g
KB145*
2-5/64 
1-3/16

Head vol.-
Comp. ratio
55cc -10.2
58cc - 9.9
64cc - 9.2
76cc - 8.2
5.565"ROD

1)305 Stroker motor click here for details.

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

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

+12cc
Part numbers with an asterisk * are not legal for sale or use on pollution controlled motor vehicles.


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