1989 GMC R2500 Parts

Cylinder Head Style:

Assembled

Material Type:

Aluminum

Finish:

Natural

Intake Manifold Type:

Dual Plane

Carburetor Flange Type:

Dual: Square and Spread Bore

RPM Range:

Idle-5,500

Material Type:

Aluminum

Finish:

Anodized

Material Type:

Aluminum

Gaskets Included:

No

One Wire Alternator:

Yes

Alternator Amperage:

300 amp

Alternator Finish:

Powder Coated

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Powder Coated

Material Type:

Cast Aluminum

Transmission Type:

Manual

Valve Cover Mounting Style:

Perimeter Bolt

Material Type:

Cast Aluminum

Finish:

Painted

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

One Wire Alternator:

Yes

Alternator Amperage:

140 amp

Alternator Finish:

Polished

Material Type:

Paper

Hardware Included:

No

Input Spline Quantity:

26

Input Shaft Diameter:

1.125"

Diameter:

10.5"

Header Tube Type:

Long Tube

Exhaust Port Shape:

Round

Flange Style:

Standard

Material Type:

Cotton Gauze

Shape:

Round

One Wire Alternator:

Yes

Alternator Amperage:

200 amp

Alternator Finish:

Natural

Cap Type:

HEI / Male

Advance Type:

Mechanical

Camshaft Type:

Solid Flat Tappet

Intake Duration (.050" Lift):

236

Exhaust Duration (.050" Lift):

236

Camshaft Type:

Solid Flat Tappet

Intake Duration (.050" Lift):

260

Exhaust Duration (.050" Lift):

260