1971 Chevy K20 Parts

Port Height:

2.21"

Port Width:

1.34"

Valve Spring Style:

Standard

Outside Diameter:

1.26"

Maximum Lift:

.550"

Overall Length:

.801"

Material Type:

Aluminum

Cap Type:

HEI / Male

Advance Type:

Mechanical and Vacuum

Cap Type:

HEI / Male

Advance Type:

Mechanical and Vacuum

Gaskets Included:

No

Sold in Quantity:

Set

Sold in Quantity:

Set

Lifter Type:

Hydraulic Roller

Material Type:

Steel

Adjustable:

Yes

Finish:

Natural

Cap Type:

HEI / Male

Advance Type:

None

Tooth Count:

153

Engine Balance:

External

SFI Rating:

29.1

Conductor Style:

Spiral Core

Diameter:

8"

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

2500-6400

Intake Duration (.050" Lift):

243

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

1600-5800

Intake Duration (.050" Lift):

224

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

2200-6100

Intake Duration (.050" Lift):

235

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

1300-5600

Intake Duration (.050" Lift):

218

Camshaft Type:

Solid Flat Tappet

RPM Range:

2500-6500

Intake Duration (.050" Lift):

248

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

2300-6500

Intake Duration (.050" Lift):

240

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

1300-5600

Intake Duration (.050" Lift):

218

Camshaft Type:

Hydraulic Flat Tappet

RPM Range:

2000-5800

Intake Duration (.050" Lift):

227

Sold in Quantity:

Set

Timing Chain Style:

Single roller

Retard at Camshaft:

2 degree

Position:

Front Lower

Ball Joint Type:

Press-in

Greaseable:

Yes

Cap Type:

HEI / Male

Advance Type:

Mechanical and Vacuum

Cap Type:

Socket / Female

Advance Type:

Mechanical and Vacuum