Cyl.
Engine
Bore | Years
Comp.
Ratio | NOTES: | Part No.
Sizes | Rings | O.E. Assy.
No. | O.E. Casting
No. | Head
Shape |
V8-260
4.3L
3.500(IN)
88.9(MM)
OLSMOBILE
ENGINE |
1972-83
8.4 |
2.35" dia. head recess .165" deep.
APPROXIMATE HEAD VOLUME=11.5cc
Comp. Ht. 1.575
Pin Dia..9805 Offset |
1634
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
231906
25506654 |
550136 |
 |
V6-262
4.3L
4.057(IN)
103(MM)
OLDSMOBILE
ENGINE |
1982-84
21.6 |
LT6 Diesel. 2 large valve reliefs. LT7 with fire slot. Full sets only.
APPROXIMATE HEAD VOLUME=5cc
Comp. Ht. 1.770
Pin Dia..1.095 Offset |
1637DLR
STD.
.020
.030
.040 |
2-5/64
1-3/16
Iron Top
Groove |
22519229
22515337
22520325
22519232
22515338
22520324 |
22511940
558386
22520325 |
 |
V8-267
4.4L
3.500(IN)
88.9(MM)
CHEVY
ENGINE |
1981-82
8.3 |
2.875" dia. head recess .125" deep.
APPROXIMATE HEAD VOLUME=13cc
Comp. Ht. 1.540
Pin Dia..9273 Offset |
1456
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
462636 |
461355 |
|
V8-301
4.9L
4.000(IN)
101.6(MM)
PONTIAC
ENGINE |
1977-81
8.0 |
Flat Head
Comp. Ht. 1.570
Pin Dia..9273 Offset |
1527
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
547147 |
500492 |
 |
V8-305
4.9L
3.736(IN)
94.9(MM)
CHEVY
ENGINE |
1976-86
8.3 |
3.06" dia. head recess .09" deep.
APPROXIMATE HEAD VOLUME=12.5cc
Comp. Ht. 1.540
Pin Dia..9273 Offset |
1449
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
364702
14019883 |
361988
14006722 |
|
V8-305
5.0L
3.736(IN)
94.9(MM)
CHEVY
ENGINE |
1984-94
8.4
8.6
9.3 |
3.100" dia. had recess .040" deep with 4 valve reliefs.
APPROXIMATE HEAD VOLUME=6.5cc
Comp. Ht. 1.540
Pin Dia..9273 Offset |
1493
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
364702
14094013-4
10128201 |
361988
14093663
14094009 |
 |
V8-307
5.0L
3.800(IN)
96.5(MM)
OLDSMOBILE
ENGINE |
1980-84
7.9 |
2.70" dia. head recess .107" deep.
APPROXIMATE HEAD VOLUME=9cc
Comp. Ht. 1.595
Pin Dia..9805 Offset |
1636
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
22506658 |
22504964 |
|
V8-307
5.0L
3.800(IN)
96.5(MM)
OLDSMOBILE
ENGINE |
1985-90
8.0 |
Recessed head .270" deep. Broken sets from the Factory only.
APPROXIMATE HEAD VOLUME=15.5cc
Comp. Ht. 1.605
Pin Dia..9805 Offset |
1639LR
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
22527480R
22527479L |
22527033 |
 |
