COMP Cams® 12-863-9 - Oval Track™ Mechanical Roller Tappet Small 0.900" Base Circle Camshaft

0 reviews|Item # mpn4655032958|Similar Products
$505.95
In Stock (5) - Ships in 24 to 48 hrs
Vehicle Specific
  • Please Select Vehicle Below
Notes:
  • Requires upgraded gear, thrust button and wear plate
  • Must use bronze tip fuel pump pushrod when using high pressure or high volume pump
  • Requires Bronze Gear Thrust Button And Wear Plate
  • Requires Valve Springs
  • This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME
Authorized Dealer

Vehicle Fitment

MakeModelYear
AvantiII 1965-1971, 1977-1985, 1987-1991
BizzarriniGT America 1965-1969
BuickCentury 1977-1981
Commercial Chassis 1991, 1994-1996
Le Sabre 1978
Regal 1977-1980, 1982-1987
Roadmaster 1991
Skylark 1977-1979
CadillacBrougham 1991-1992
Commercial Chassis 1994-1996
CheckerAerobus 1966-1974
Deluxe 1969-1970
Marathon 1965-1982
Taxicab 1969-1974
Chevy150 1957
210 1957
3200 1957-1958
3400 1957-1958
3500 1957-1958
3600 1957-1958
3700 1957-1958
3800 1957-1958
3B 1959
3C 1959
3D 1959
3E 1959
3F 1959
3G 1959
Bel Air 1957-1975
Biscayne 1958-1972
Blazer 1969-1994
Brookwood 1959-1961, 1969-1972
Camaro 1967-1986
Caprice 1966-1988, 1994-1996
Chevelle 1964-1973
Chevy II 1963-1968
CK Pickup 1960-1994
Commercial Chassis 1991-1992, 1994
Corvette 1957-1981
Del Ray 1957-1958
El Camino 1959-1960, 1964-1987
Estate 1969-1970
G-Series 1967-1994
Impala 1958-1985
Kingswood 1959-1961, 1969-1972
Laguna 1973-1976
Malibu 1964-1967, 1973-1983
Monte Carlo 1970-1988
Monza 1976-1979
Nomad 1957-1961
Nova 1969-1979
P-Series 1961-1962, 1974-1994
Parkwood 1959-1961
Sedan Delivery 1957-1958
Suburban 1957-1994
Townsman 1969-1972
Truck 1960
Yeoman 1958
ExcaliburLimited 1993
Phaeton 1965-1971, 1980-1989
GMC1000 Series 1960-1963
1500 Series 1960-1963
2500 Series 1960-1963
3000 Series 1960-1966
3500 Series 1960-1966
Caballero 1978-1987
CK Pickup 1967-1994
G-Series 1970-1994
Jimmy 1970-1991
P-Series 1975-1994
Sprint 1971-1977
Suburban 1960-1965, 1967-1994
Truck 1960
Yukon 1992-1994
Gordon-KeebleGK1 1964-1967
IT 1964-1967
IsoGrifo 1965-1974
Lele 1969-1974
Rivolta 1963-1970
S4 Fidia 1967-1974
Oldsmobile442 1965-1969
Calais 1978-1980
Custom Cruiser 1977, 1991-1992
Cutlass 1965-1968, 1978-1980, 1982
Eighty-Eight 1977
F85 1965-1966
Omega 1977-1979
Starfire 1977-1979
Vista Cruiser 1968-1969
PontiacAcadian 1964-1971
Beaumont 1964-1969
Bonneville 1967-1974, 1983-1986
Catalina 1967-1974, 1980-1981
Executive 1967-1970
Firebird 1967-1974, 1977-1986
Grand Am 1973-1974, 1978-1980
Grand Prix 1967-1974, 1978-1980, 1983-1987
Grand Safari 1971-1974
Grandville 1972-1974
GTO 1967-1973
Laurentian 1957-1974, 1977-1981
LeMans 1968-1974, 1977-1983
Parisienne 1959-1974, 1977-1986
Pathfinder 1957-1958
Phoenix 1977-1979
Strato-Chief 1958-1970
Sunbird 1978-1979
Tempest 1968-1970
Ventura 1971-1974, 1977
StudebakerCommander 1965-1966
Cruiser 1965-1966
Daytona 1965-1966
Wagonaire 1966
StutzBlackhawk 1970-1971

Product Details

Oval Track™ Mechanical Roller Tappet Small 0.900" Base Circle Camshaft (12-863-9) by COMP Cams®. Designed utilizing the latest technology, this product by COMP Cams features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed stringent industry standards.

Notes

  • Requires upgraded gear, thrust button and wear plate
  • Must use bronze tip fuel pump pushrod when using high pressure or high volume pump
  • Requires Bronze Gear Thrust Button And Wear Plate
  • Requires Valve Springs
  • This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME

Specifications

Low-End RPM: 3700
Top-End RPM: 7600
Intake Duration at 0.050 In Lift: 263°
Exhaust Duration at 0.050 In Lift: 272°
Intake Valve Lift: 0.648"
Exhaust Valve Lift: 0.645"
Advertised Intake Duration: 291°
Advertised Exhaust Duration: 304°
Lobe Separation: 108°
Grind Number: 291TKNR-8
Attachment: 3-Bolt
Material: Billet Steel
Valve Timing: 0.020
Intake Open BTDC: 38°
Exhaust Open BBDC: 80°
Intake Close ABDC: 73°
Exhaust Close ATDC: 44°

Features

  • High quality at an affordable price
  • Expertly made from premium materials
  • Built to match your exact requirements

For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, COMP Cams® still retains the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.

Brand:
Part Number:
12-863-9
UPC:
036584015475
Alternate MPN:
128639

Reviews

(0)
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.
COMP Cams® 12-863-9 - Oval Track™ Mechanical Roller Tappet Small 0.900" Base Circle Camshaft
/0

Questions and Answers

(0)
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!
CARiD FacebookCARiD TwitterCARiD YouTube ChannelCARiD PinterestCARiD Instagram
Inspiration Gallery
All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.
CUSTOMER SERVICE
INFORMATION
CONTACTS