COMP Cams SK51-221-4 Xtreme Energy Hydraulic Camshaft Kit, Pontiac V8

#282SK512214

COMP Cams SK51-221-4 Xtreme Energy Hydraulic Camshaft Kit, Pontiac V8

Name: COMP Cams SK51-221-4 Xtreme Energy Hydraulic Camshaft Kit, Pontiac V8
Brand: COMP Cams
SKU: 282SK512214
Price: 417.95 USD
Availability: InStock

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Duration:

256/268 (Standard Kit)

274/286 (Base Kit)268/280 (Base Kit)262/270 (Deluxe Kit)274/286 (Deluxe Kit)268/280 (Deluxe Kit)284/296 (Deluxe Kit)

$417.95

/each

Factory Shipped

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Product Summary

Hydraulic Flat Tappet Camshaft Type, Lifters Included

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Key Specs

Camshaft Type	Hydraulic Flat Tappet
Intake Duration (.050" Lift)	212
Exhaust Duration (.050" Lift)	218
RPM Range	1000 to 5200
Lobe Separation	110 °

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COMP Cams SK51-221-4 Details

SK51-221-4 - Camshaft Kit, P8 XE256H-10.

Pontiac 265-455 c.i. 8 cyl. 1955-1981. Hydraulic-Strong torque through low end and mid-range, good idle. Xtreme Energy Hydraulic Flat Tappet Camshafts. All COMP Cams Camshafts are manufactured to the strictest tolerances. Rigorously tested and checked for quality.

Quicker opening lobe profiles deliver increased responsiveness & more area under the lift curve
More vacuum allows an increase in duration for improved performance & assists power brakes
Excellent performance in street carbureted applications
Best performance with aftermarket intake manifolds, headers, lower gear ratios, etc.

Application

1956-81 Pontiac 301-455

Guides & Documents

Warranty (COMP Cams)

CARB Warning

For race/ off road use only

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

CA Prop 65

CARB warning

COMP Cams SK51-221-4 Specifications

KEY SPECS
MFG. Part #	SK51-221-4
Brand	COMP Cams
Camshaft Type	Hydraulic Flat Tappet
Intake Duration (.050" Lift)	212
Exhaust Duration (.050" Lift)	218
RPM Range	1000 to 5200
Lobe Separation	110 °
Lifter Type	Hydraulic Flat Tappet

GENERAL
Intake Valve Lift w/ Rocker Arm Ratio	0.447"
Exhaust Valve Lift w/ Rocker Arm Ratio	0.455"
Sold in Quantity	Kit
Intake Duration	256
Exhaust Duration	268
GTIN Code	036584047209
Grind Number	XE256H
External Ignition Box Required	No
Valve Springs Required	Yes
Valve Spring Included	No
Lifters Included	Yes
Retainers Included	No
Locks Included	No
Valve Stem Seals Included	No
Timing Chain and Gears Included	Yes
Timing Chain Style	Double Non-Roller
Assembly Lubricant Included	Yes
Pushrods Included	No
Rocker Arms Included	No
Gaskets Included	No

Ratings & Reviews

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Fitment

1959-1962 Pontiac Bonneville

389 Pontiac V8

1963-1966 Pontiac Bonneville

389 Pontiac V8
421 Pontiac V8

1967-1969 Pontiac Bonneville

400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac Bonneville

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975-1976 Pontiac Bonneville

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Bonneville

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1978 Pontiac Bonneville

301 Pontiac V8
400 Pontiac V8

1979-1980 Pontiac Bonneville

301 Pontiac V8

1959-1960 Pontiac Catalina

389 Pontiac V8

1961-1966 Pontiac Catalina

389 Pontiac V8
421 Pontiac V8

1967-1969 Pontiac Catalina

400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac Catalina

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac Catalina

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1976 Pontiac Catalina

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Catalina

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1978 Pontiac Catalina

301 Pontiac V8
400 Pontiac V8

1979-1980 Pontiac Catalina

301 Pontiac V8

1967 Pontiac Executive

400 Pontiac V8
428 Pontiac V8

1968 Pontiac Executive

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1969 Pontiac Executive

400 Pontiac V8
428 Pontiac V8

1970 Pontiac Executive

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1967 Pontiac Firebird

326 Pontiac V8
400 Pontiac V8

1968-1969 Pontiac Firebird

350 Pontiac V8
400 Pontiac V8

1970-1976 Pontiac Firebird

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Firebird

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1978 Pontiac Firebird

400 Pontiac V8

1979 Pontiac Firebird

301 Pontiac V8
400 Pontiac V8

1980-1981 Pontiac Firebird

301 Pontiac V8

1973-1975 Pontiac Grand Am

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1978-1980 Pontiac Grand Am

301 Pontiac V8

1975-1976 Pontiac Grand LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand LeMans

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1979-1981 Pontiac Grand LeMans

301 Pontiac V8

1962 Pontiac Grand Prix

389 Pontiac V8

1963-1966 Pontiac Grand Prix

389 Pontiac V8
421 Pontiac V8

1967-1969 Pontiac Grand Prix

400 Pontiac V8
428 Pontiac V8

1970 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1971 Pontiac Grand Prix

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1974 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac Grand Prix

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1976 Pontiac Grand Prix

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand Prix

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1978-1980 Pontiac Grand Prix

301 Pontiac V8

1971-1974 Pontiac Grand Safari

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975-1976 Pontiac Grand Safari

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac Grand Safari

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1978 Pontiac Grand Safari

400 Pontiac V8

1971 Pontiac Grandville

Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1975 Pontiac Grandville

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1964-1965 Pontiac GTO

326 Pontiac V8
389 Pontiac V8
421 Pontiac V8

1966 Pontiac GTO

389 Pontiac V8

1967-1969 Pontiac GTO

400 Pontiac V8

1970-1971 Pontiac GTO

400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1972-1973 Pontiac GTO

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1963-1966 Pontiac LeMans

326 Pontiac V8
389 Pontiac V8

1967 Pontiac LeMans

326 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1968-1969 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1970-1974 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1975 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8

1976 Pontiac LeMans

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1977 Pontiac LeMans

301 Pontiac V8
350 Pontiac V8
400 Pontiac V8

1979-1981 Pontiac LeMans

301 Pontiac V8

1977 Pontiac Phoenix

350 Pontiac V8

1959-1962 Pontiac Star Chief

389 Pontiac V8

1963-1966 Pontiac Star Chief

389 Pontiac V8
421 Pontiac V8

1961-1962 Pontiac Tempest

389 Pontiac V8

1963-1966 Pontiac Tempest

326 Pontiac V8
389 Pontiac V8

1967 Pontiac Tempest

326 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1968-1969 Pontiac Tempest

350 Pontiac V8
400 Pontiac V8
428 Pontiac V8

1970 Pontiac Tempest

350 Pontiac V8
400 Pontiac V8
Pontiac V8 Large-Journal 455
Pontiac V8 Small-Journal 455 Ram Air V

1960 Pontiac Ventura

389 Pontiac V8

1961 Pontiac Ventura

389 Pontiac V8
421 Pontiac V8

1971-1976 Pontiac Ventura

350 Pontiac V8

1977 Pontiac Ventura

301 Pontiac V8
350 Pontiac V8