1991 Chevy G30 Engine Parts

Bracket Style:

Upper and lower brackets

Material Type:

Steel

Finish:

Polished

Rocker Arm Ratio:

1.3:1

Stud Diameter:

0.38"

Rocker Arm Ratio:

1.6:1

Stud Diameter:

0.38"

Sold in Quantity:

Pair

Water Crossover Style:

Blocked

Oil Pump Volume:

High Volume

Oil Pump Pressure:

High Pressure

Material Type:

Steel

Gear Attachment:

3-Bolt

Gear Material:

Steel

Material Type:

Steel

Sold in Quantity:

Bag

Sold in Quantity:

Each

Gasket(s) Included:

No

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"

Oil Pump Volume:

Standard Volume

Oil Pump Pressure:

Standard Pressure

Material Type:

Steel

Hardware Included:

Yes

Material Type:

Aluminum

Finish:

Polished

Overall Height:

5.375"

Rocker Arm Ratio:

1.3:1

Stud Diameter:

0.4375"

Material Type:

Steel

Finish:

Zinc Plated

Bore Size:

4.100"

Gasket Material:

Shim steel

Material Type:

Steel

Finish:

Zinc Plated

Valve Spring Style:

Dual Spring

Outside Diameter:

1.465"