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Olds 350-455 Stroker

Pontiac 389-455 & Stroker GSX 389 Pontiac Note: These parts use common performance ring sets. Available Bore Sizes (4.080 = .017) (4.100 = .037) ( 4.120 = .057 ) Add the bore size to the end of the part # IE. 6100CX-4100 for a 4.100 Bore Size.

RING GROOVE 1/16 1/16 3/16

GSX 350 Oldsmobile 4.057 STD. Bore . Available Bore Sizes (4.057 = STD.) (4.080 = .023) (4.100 = .043) (4.125 = .068). Add the bore size to the end of the part # IE. 6020X-4100 for a .043 oversize.

Pontiac CID.

Crank Stroke

Rod C to C Pin Dia.

Crown Type Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 78cc 85cc

Pistons Piston & Ring Kit

RING GROOVE 1/16 1/16 3/16

389 389 389 389

6100 6102 6103 6105

K6100 K6102 K6103 K6105

3.750 3.750 3.750 3.750

6.625 6.625 6.625 6.625

0.980 0.980 0.980 0.980

Flat Top -5cc 1.710 10.28 9.67 9.06 Post 1968 Flat Top -5cc 1.710 10.28 9.67 9.06 Pre 1968

Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 80cc 84cc

Pistons Piston & Ring Kit

OLDS CID.

Crank Stroke

Rod Length

Wrist Pin Dia.

Ring Size

Piston Crown Type

Dish -14cc Dish -14cc

1.710 9.49 8.98 8.46 Post 1968 1.710 9.49 8.98 8.46 Pre 1968

GSX 400/428 Pontiac Note: These parts use common performance ring sets. Available Bore Sizes(4.120 = STD ) (4.125 = .005) (4.150 = .030) (4.160 = .040) (4.180 = .060) (4.190 = .070) IE for a .030 over bore 400 (4.150) order a part # 6100X-4150.

350

6020

K6020

3.385 6.000

0.980 1/16 1/16 3/16 Flat Top -12cc

1.625 8.74 8.12 7.75 Olds

GSX 400 - 425 Oldsmobile 4.000 STD. Bore . ( Early 1965 to 1967 ) Available Bore Sizes 400 (4.000 = STD.) (4.030 = .030) (4.040 = .040) (4.060 = .060). Available Bore Sizes 425 (4.125 = STD.) (4.155 = .030) (4.165 = .040) (4.185 = .060). Add the bore size to the end of the part # IE. 6020X-4030 for a .030 oversize.

RING GROOVE 1/16 1/16 3/16

RING GROOVE 1/16 1/16 3/16

Pontiac CID.

Crank Stroke

RodC to C Pin Dia.

Crown Type Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 78cc 85cc

Pistons Piston & Ring Kit

Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 80cc 84cc

Pistons Piston & Ring Kit

OLDS CID.

Crank Stroke

Rod Length

Wrist Pin Dia.

Ring Size

Piston Crown Type

400 400 428 428 449 449 453 453 466 466 480 480

6100 6103 6110 6113 6120 6123 6130 6133 6140 6143 6150 6153

K6100 K6103 K6110 K6113 K6120 K6123 K6130 K6133 K6140 K6143 K6150 K6153

3.750 3.750 4.000 4.000 4.210 4.210 4.250 4.250 4.375 4.375 4.500 4.500

6.625 6.625 6.625 6.625 6.625 6.625 6.800 6.800 6.800 6.800 6.800 6.800

0.980 0.980 0.980 0.980 0.980 0.980 0.990 0.990 0.990 0.990 0.990 0.990

Flat Top -5cc 1.710 10.56 9.94 9.31

Pont Pont Pont Pont

Dish -14cc

1.710 9.66 9.14 8.61

400 425

6020 6020

K6020 K6020

3.975 7.000

0.980 1/16 1/16 3/16 Flat Top -12cc

1.625 9.84 9.13 8.82 Olds

Flat Top -5cc 1.585 11.20 10.54 9.86

3.975 7.000

0.980 1/16 1/16 3/16 Flat Top -12cc

1.625 10.35 9.61 9.28 Olds

Dish -14cc

1.585 10.23 9.69 9.12

GSX 455 Oldsmobile 4.125 STD. Bore. Available Bore Sizes (4.125 = STD.) (4.155 = .030) (4.165 = .040) (4.185 = .060). Add the bore size to the end of the part # IE. 6000X-4155 for a .030 oversize .

Flat Top -5cc 1.480 11.74 11.04 10.33 Pont

Dish -18cc

1.480 10.33 9.79 9.24

Pont

Flat Top -5cc 1.285 11.84 11.13 10.41 Pont

RING GROOVE 1/16 1/16 3/16

Dish -18cc

1.285 10.41 9.88 9.32

Pont

Flat Top -5cc 1.222 12.16 11.43 10.69 Pont

Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 80cc 84cc

Pistons Piston & Ring Kit

OLDS CID.

Crank Stroke

Rod Length

Wrist Pin Dia.

Ring Size

Piston Crown Type

Dish -22cc

1.222 10.29 9.62 9.11

Pont

Flat Top -5cc 1.160 12.48 11.73 10.97 Pont

455 455

6000 6003

K6000 K6003

4.250 6.735

0.980 1/16 1/16 3/16 Flat Top -12cc

1.750 11.00 10.21 9.86 Olds

Dish -24cc

1.160 10.40 9.89 9.36

Pont

GSX 455 Pontiac Note: These parts use common performance ring sets. Available Bore Sizes (4.150 = STD) (4.180 = .030) (4.190 = .040) IE for a .030 over bore 455 (4.180) order a part # 6120BX-4180.

4.250 6.735

0.980 1/16 1/16 3/16

Dish -18cc

1.750 10.32 9.63 9.32 Olds

GSX 481 Stroker Oldsmobile 4.125 STD. Bore. Available Bore Sizes (4.125 = STD.) (4.155 = .030) (4.165 = .040) (4.185 = .060). Add the bore size to the end of the part # IE. 6000X-4155 for a .030 oversize

RING GROOVE 1/16 1/16 3/16

RING GROOVE 1.5 1.5 3.0

Pontiac CID.

Crank Stroke

Rod C to C Pin Dia.

Crown Type Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 80cc 87cc

Pistons Piston & Ring Kit

OLDS CID.

Crank Stroke

Rod Length

Wrist Pin Dia.

Ring Size

Piston Crown Type

Pin Hgt

Aprox. Comp. Ratio Head Type 72cc 80cc 84cc

Pistons Piston & Ring Kit

6120 6123 6130 6133 6150 6153

6120 6123 6130 6133 6150 6153

455 455 460 460 487 487

4.210 4.210 4.250 4.250 4.500 4.500

6.625 6.625 6.800 6.800 6.800 6.800

0.980 0.980 0.990 0.990 0.990 0.990

Flat Top -5cc 1.480 11.87 10.94 10.25 Pont

Dish -18cc

1.480 10.44 9.74 9.20

Pont

481 481

6010 6013

K6010 K6013

4.500 7.100

0.990

1.5 1.5 3 mm Flat Top -12cc

1.260 11.59 10.75 10.38 Olds

Flat Top -5cc 1.285 11.97 11.04 10.34 Pont

4.500 7.100

0.990

1.5 1.5 3 mm Dish -19cc

1.260 10.85 10.12 9.79 Olds

Dish -18cc

1.285 10.53 9.82 9.28

Pont

Flat Top -5cc 1.160 12.62 11.86 11.09 Pont

Dish -24cc

1.160 10.51 10.00 9.46

Pont

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