1961 Chevy Impala Engine Parts

Port Height:

2.21"

Port Width:

1.34"

Rocker Arm Ratio:

1.5:1

Stud Diameter:

0.38"

Port Height:

2.28"

Port Width:

1.38"

Sump Style:

Wet Sump

Sump Location:

Rear

Rear Main Seal Style:

1-piece

Valve Spring Style:

Dual Spring

Outside Diameter:

1.55"

Rocker Arm Ratio:

1.5:1

Stud Diameter:

0.38"

Starter Size:

Full Size

Flywheel/Flexplate Tooth Count:

168-tooth

Mount Type:

Bolt-On

Hardware Included:

Yes

Material Type:

Aluminum

Finish:

Polished

Oil Pump Volume:

Standard Volume

Oil Pump Pressure:

Standard Pressure

Material Type:

Steel

Overall Height:

5.375"

Rocker Arm Ratio:

1.3:1

Stud Diameter:

0.4375"

Material Type:

Steel

Finish:

Zinc Plated

Cylinder Head Style:

Assembled

Material Type:

Aluminum

Finish:

Natural

Bore Size:

4.100"

Gasket Material:

Shim steel

Material Type:

Steel

Finish:

Zinc Plated

Valve Spring Style:

Dual Spring

Outside Diameter:

1.465"

Material Type:

Steel

Finish:

Chrome

Sold in Quantity:

Each

Overall Length:

.75"

Thread Pitch:

1/4"-20

Wrench Type:

Allen