Selected Filters

Applications for SLP-WH661CP30

Speed-Pro Hypereutectic Pistons WH661CP 30

SLP-WH661CP30

Not Yet Reviewed

Part Number: SLP-WH661CP30

Estimated Ship Date from Ohio: Monday 10/19/2026

$29.99

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Applications

Filters

Results Found: 18

Make:

GMC

Model:

C15

Submodel:

BASE

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

BASE

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

BASE

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HEAVY HALF

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HEAVY HALF

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HEAVY HALF

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HIGH SIERRA

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in)

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HIGH SIERRA

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

HIGH SIERRA

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA CLASSIC

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

1.625 (in) Compression Distance

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA CLASSIC

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

1.625 (in) Compression Distance

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA CLASSIC

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in)

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA GRANDE

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in)

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA GRANDE

Beginning Year:

1977

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in)

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

SIERRA GRANDE

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

1.625 (in) Compression Distance

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

STREET COUPE

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

1.625 (in) Compression Distance

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

STREET COUPE

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Extended Application Information:

1.625 (in) Compression Distance

Engine VIN Code:

Region:

USA

Make:

GMC

Model:

C15

Submodel:

STREET COUPE

Beginning Year:

1978

Ending Year:

1978

Engine Type:

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

United States (USA)

Extended Application Information:

0.030 (in) Oversize

Engine VIN Code:

Region:

USA

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