COMP Cams
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Featuring a quicker valve opening, the Xtreme Energy camshaft profile provides increased responsiveness and more area under the lift curve than older, slower grinds. Designed to increase performance without sacrificing driveability and creature comforts, the Xtreme Energy grind family offers gains in torque and horsepower while still delivering adequate vacuum for power brakes and other vacuum dependent accessories. Xtreme Energy camshafts work great in carbureted applications, but offer the best performance with aftermarket intake manifolds, lower gear ratios, headers and free flowing exhaust.
- Xtreme Energy 212/218 Hydraulic Roller Cam for Chevrolet Small Block
- Mild performance applications, very good mid-range, 3.23-3.73 gears.
P311-2DF634D 12-412-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1957 Chevrolet Corvette | Base | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 270
- Advertised Intake Duration: 264
- Amazon ASIN: B000v9gbvw
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 1,200-5,200
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-412-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.495
- Grind Number: Xr264hr
- Intake Duration at .050 Inch Lift: 212
- Intake Valve Lift: 0.487
- K-Kit Upgrade: K12-412-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-412-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 212/218 Hydraulic Roller Cam for Chevrolet Small Block
- Mild performance applications, very good mid-range, 3.23-3.73 gears.
P311-2DF634D 12-412-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1965 Chevrolet C10 Pickup | Base | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 270
- Advertised Intake Duration: 264
- Amazon ASIN: B000v9gbvw
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 1,200-5,200
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-412-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.495
- Grind Number: Xr264hr
- Intake Duration at .050 Inch Lift: 212
- Intake Valve Lift: 0.487
- K-Kit Upgrade: K12-412-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-412-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 224/230 Hydraulic Roller Cam for Chevrolet Small Block
- High performance street machines, 2000+ stall, gears, choppy idle.
P311-4273792 12-423-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1980 Chevrolet G20 | Beauville | - | Chevrolet | V | 8 Cyl 5.7L | 350 | - |
- Advertised Exhaust Duration: 282
- Advertised Intake Duration: 276
- Amazon ASIN: B000ciuabo
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 1,900-5,600
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-423-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.51
- Grind Number: Xr276hr
- Intake Duration at .050 Inch Lift: 224
- Intake Valve Lift: 0.502
- K-Kit Upgrade: K12-423-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-423-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 224/230 Hydraulic Roller Cam for Chevrolet Small Block
- High performance street machines, 2000+ stall, gears, choppy idle.
P311-4273792 12-423-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1959 Pontiac Laurentian | Base | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 282
- Advertised Intake Duration: 276
- Amazon ASIN: B000ciuabo
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 1,900-5,600
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-423-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.51
- Grind Number: Xr276hr
- Intake Duration at .050 Inch Lift: 224
- Intake Valve Lift: 0.502
- K-Kit Upgrade: K12-423-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-423-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 230/236 Hydraulic Roller Cam for Chevrolet Small Block
- Great for street machines, needs intake, headers, 2500+ stall, and gears. Mildly rough idle.
P311-5DDF8A5 12-432-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1958 Chevrolet Biscayne | Base | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 288
- Advertised Intake Duration: 282
- Amazon ASIN: B000ciuad2
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,200-5,800
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-432-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.52
- Grind Number: Xr282hr
- Intake Duration at .050 Inch Lift: 230
- Intake Valve Lift: 0.51
- K-Kit Upgrade: K12-432-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-432-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 230/236 Hydraulic Roller Cam for Chevrolet Small Block
- In 1987, GM began using hydraulic roller camshafts in Chevrolet Small Block V8's. Before ordering this camshaft, verify that your engine has a flat tappet camshaft. If your engine features a roller camshaft, look at our "08-" camshafts or "07-" camshafts if equipped with an LT1/LT4.
- Great for street machines, needs intake, headers, 2500+ stall, and gears. Mildly rough idle.
P311-5DDF8A5 12-432-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1987 GMC P3500 | Base | - | Chevrolet | V | 8 Cyl 5.7L | 350 | - |
- Advertised Exhaust Duration: 288
- Advertised Intake Duration: 282
- Amazon ASIN: B000ciuad2
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,200-5,800
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-432-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.52
- Grind Number: Xr282hr
- Intake Duration at .050 Inch Lift: 230
- Intake Valve Lift: 0.51
- K-Kit Upgrade: K12-432-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-432-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 230/236 Hydraulic Roller Cam for Chevrolet Small Block
- Great for street machines, needs intake, headers, 2500+ stall, and gears. Mildly rough idle.
P311-5DDF8A5 12-432-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1958 Chevrolet Truck | 3700 | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 288
- Advertised Intake Duration: 282
- Amazon ASIN: B000ciuad2
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,200-5,800
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-432-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.52
- Grind Number: Xr282hr
- Intake Duration at .050 Inch Lift: 230
- Intake Valve Lift: 0.51
- K-Kit Upgrade: K12-432-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-432-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 230/236 Hydraulic Roller Cam for Chevrolet Small Block
- In 1987, GM began using hydraulic roller camshafts in Chevrolet Small Block V8's. Before ordering this camshaft, verify that your engine has a flat tappet camshaft. If your engine features a roller camshaft, look at our "08-" camshafts or "07-" camshafts if equipped with an LT1/LT4.
- Great for street machines, needs intake, headers, 2500+ stall, and gears. Mildly rough idle.
P311-5DDF8A5 12-432-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1987 GMC Jimmy | Base | - | Chevrolet | V | 8 Cyl 5.7L | 350 | - |
- Advertised Exhaust Duration: 288
- Advertised Intake Duration: 282
- Amazon ASIN: B000ciuad2
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,200-5,800
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-432-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.52
- Grind Number: Xr282hr
- Intake Duration at .050 Inch Lift: 230
- Intake Valve Lift: 0.51
- K-Kit Upgrade: K12-432-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-432-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 242/248 Hydraulic Roller Cam for Chevrolet Small Block
- Street/strip applications, 9.5:1 compression, intake, headers, 3000+ stall, gears. Rough idle.
P311-414DA7B 12-443-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1979 Chevrolet G10 | Chevy Van | - | Chevrolet | V | 8 Cyl 5.7L | 350 | - |
- Advertised Exhaust Duration: 300
- Advertised Intake Duration: 294
- Amazon ASIN: B000ceqdfa
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,800-6,100
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-443-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.562
- Grind Number: Xr294hr
- Intake Duration at .050 Inch Lift: 242
- Intake Valve Lift: 0.54
- K-Kit Upgrade: K12-443-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-443-8
- Usage: Street/performance
- Valve Springs Required: Yes
- Xtreme Energy 242/248 Hydraulic Roller Cam for Chevrolet Small Block
- Street/strip applications, 9.5:1 compression, intake, headers, 3000+ stall, gears. Rough idle.
P311-414DA7B 12-443-8 COMP Cams New
| Vehicle | Submodel | Engine Designation | Engine Version | Block | Engine | CID | CC |
|---|---|---|---|---|---|---|---|
| 1959 Chevrolet 3E | 3600 | - | U/K | V | 8 Cyl 4.6L | 283 | 4638 |
- Advertised Exhaust Duration: 300
- Advertised Intake Duration: 294
- Amazon ASIN: B000ceqdfa
- Assembly Lubricant Included: No
- Basic Operating RPM Range: 2,800-6,100
- C.A.R.B. E.O. Number: N/a
- C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967?: Yes, But Must Meet Tailpipe Emission Standards For Year Of Vehicle.
- C.A.R.B. Exempt for On-Road Vehicles?: No
- C.A.R.B. Exempt for Racing and Off-Road Only Vehicles?: Yes, But Must Be A Race/competition Only Vehicle.
- C.A.R.B. Exemption Reason: N/a
- Cam and Lifter Kit Upgrade: Cl12-443-8
- Cam Type: Hydraulic Roller
- Camshaft Gear Attachment: 3-bolt
- Camshaft Material: Austempered Ductile Iron
- Camshaft Series: Xtreme Energy
- Engine Family: Chevrolet 262-400 C.i. 8 Cylinder (1958-1998)
- Exhaust Valve Lift: 0.562
- Grind Number: Xr294hr
- Intake Duration at .050 Inch Lift: 242
- Intake Valve Lift: 0.54
- K-Kit Upgrade: K12-443-8
- Lifter Type: Hydraulic Roller
- Lifters Included: No
- Lobe Separation: 110
- SK-Kit Upgrade: Sk12-443-8
- Usage: Street/performance
- Valve Springs Required: Yes