1987 Chevy R20 Engine Parts

Valve Cover Mounting Style:

Center Bolt

Material Type:

Aluminum

Finish:

Polished

Valve Spring Style:

Dual Spring

Sold in Quantity:

Kit

Oil Pump Volume:

High Volume

Oil Pump Pressure:

Standard Pressure

Material Type:

Steel

Outside Diameter:

6.75"

Material Type:

Steel

Finish:

Painted

Outside Diameter:

6.00"

Material Type:

Steel

Finish:

Painted

Camshaft Type:

Hydraulic Flat Tappet

Intake Duration (.050" Lift):

227

Exhaust Duration (.050" Lift):

241

Outside Diameter:

8"

Engine Balance:

Internal/External

Piston Style:

Dome

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

Lifter Type:

Hydraulic Flat Tappet

Lifter Body Diameter:

0.842"

Cylinder Head Style:

Bare

Material Type:

Aluminum

Finish:

Natural

Hardware Included:

Yes

Material Type:

Steel

Finish:

Chrome

Stroke:

3.750"

Main Journal Style:

350 mains

Crankshaft Material:

Cast Steel

Valve Spring Style:

Single Spring w/ Damper

Outside Diameter:

1.25"

Maximum Lift:

.55"

Valve Cover Mounting Style:

Center Bolt

Material Type:

Aluminum

Finish:

Polished

Gaskets Included:

Yes

Sold in Quantity:

Kit

Stroke:

3.750"

Main Journal Style:

350 mains

Crankshaft Material:

Cast Steel

Cylinder Head Style:

Assembled

Material Type:

Aluminum

Finish:

Natural

Rocker Arm Style:

Roller

Rocker Arm Ratio:

1.5:1

Material Type:

Aluminum

Material Type:

Steel

Bore Size:

4.166"

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

2500-6400

Intake Duration (.050" Lift):

243

Valve Spring Style:

Dual Spring

Outside Diameter:

1.560"

Maximum Lift:

.750"

Valve Cover Height:

3-3/4" tall. breather tubes measure 1-3/8" x 2-3/4" tall

Valve Cover Mounting Style:

Center Bolt

Material Type:

Aluminum

Camshaft Type:

Hydraulic Flat Tappet

Intake Duration (.050" Lift):

227

Exhaust Duration (.050" Lift):

241

Camshaft Type:

Hydraulic Flat Tappet

Intake Duration (.050" Lift):

243

Exhaust Duration (.050" Lift):

257

Attachment Style:

Bolt-on

Mount Material:

Steel

Bushing Material:

Rubber

Valve Cover Mounting Style:

Center Bolt

Material Type:

Cast Aluminum

Finish:

Painted

Bearing Construction:

Tri-metal

Narrowed Bearing:

No

Sold in Quantity:

Set

Piston Style:

Flat Top w/ 2 valve reliefs

Piston Material:

Hypereutectic Aluminum

Wrist Pin Included:

Yes

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

1600-5800

Intake Duration (.050" Lift):

224