First 50-state legal grind for the GM Gen III LS1/LS3 three-bolt family of engines. Drop-in with stock components and tune can produce 30 to 90 HP increase in peakCatalogUser 1
Oval track/bracket race/street stock. Same as 272 with slightly more RPM.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1982-1989
Buick
Century
Custom
1984
Buick
Century
Estate
1985-1...
Oval track/bracket race/street stock. Aftermarket 2 BBL or stock carb.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1982-1989
Buick
Century
Custom
1984
Buick
Century
Estate
1985-1989...
Drag Race 265/276 Solid Flat Cam for Pontiac 265-455CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-1979
Pontiac
Bonneville
Brougham
19...
Drag Race 255/266 Solid Flat Cam for Pontiac 265-455CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-1979
Pontiac
Bonneville
Brougham
19...
Street/strip, needs 9.5:1 compression, 2800+ stall, intake, gears and headers, very rough idle.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1972
Buick
Centurion
Base
1980-1981
Buick
C...
High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1972
Buick
Centurion
Base
1980-19...
High performance street, stock converter ok, best with 2000+ converter and gears. Choppy/thumping idle.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1972
Buick
Centurion
Base
1980-1981...
Great for street machines, needs headers, low gears and 2200+ stall.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-1979
Pontiac
Bonnevil...
Xtreme Energy 212/218 Hydraulic Roller Cam for Pontiac 265-455CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-1979
Pontiac
Bonneville
Bro...
Rough idle, 3500+ stall, 10:1+ compression, 4:10 or lower gear ratio.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-1979
Pontiac
Bonnevi...
Magnum Muscle for: 400c.i., 1968 RAM AIR IV, factory 366 HP, 400c.i., 1969, factory 345/370 HP, 455c.i., 1970, factory 370 HP.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
C...
Bracket race with heavy car. 2500-3000 stall, 9.5:1+ compression, more gear, choppy idle.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1958-1971,1973-1979
Pontiac
Bonneville
Base
1976-...
Race idle, Pro Street. Needs 10.5:1+ compression and 3500+ stall. Limited street use.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
1...
Rough idle, needs 10:1+ compression ratio. Maximum street performance. Use 3000+ stall and low gear.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Cen...
Mild idle, street machine cam. Needs 9.5:1+ compression, 2000+ stall and headers.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
1980
...
Good idle, strong mid-range torque. Excellent cam for mild street engines.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
1980
Buick
C...
Racy idle. Bracket racing cam. Needs 10.5:1 compression and 3500+ stall. Low gear ratio.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
...
Rough idle, performance usage. Increased compression required. Needs 3000+ stall and 3.73 or lower gears.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buic...
Choppy idle, increased compression advised. Needs 2500+ stall and lower gear, use headers.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custo...
Fair idle, good mid-range torque. Can use stock torque converter, best with 2000+ stall. Daily performance use.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
197...
Good low end and mid-range torque. Street performance, noticeable idle.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
1980
Buick
Cent...
Smooth idle, good mileage for 455c.i. Strong towing cam. Good power for 326-400c.i.CatalogUser 1This Part Fits:
Year
Make
Model
Submodel
1980
Buick
Century
Base
1979
Buick
Century
Custom
198...
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