Thumpr 227/241 Hydraulic Flat Cam For Chevrolet Big Block 396-454

Thumpr 227/241 Hydraulic Flat Cam for Chevrolet Big Block 396-454. High performance street, stock converter ok, best with 2000+ converter and Gears. Choppy/thumping idle. Vehicle Specific

• Chevrolet GEN IV 396-454 Big Block Engines Originally Equipped with Flat Tappet Camshafts

Attributes:

• Brand Name: COMP Cams
• GTIN: 00036584176268
• Advertised Exhaust Duration: 297
• Advertised Intake Duration: 279
• Amazon ASIN: B001O061BM
• Assembly Lubricant Included: Yes
• Basic Operating RPM Range: 1,800-5,600
• 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 Lifter and Gear Drive Upgrade: GK11-600-4
• Cam Type: Hydraulic Flat Tappet
• Cam and Lifter Kit Upgrade: CL11-600-4
• Camshaft Gear Attachment: 3-Bolt
• Camshaft Material: Cast Iron
• Camshaft Series: Thumpr
• Engine Family: Chevrolet 396-454 c.i. 8 Cylinder (1967-1996)
• Exhaust Duration at .050 inch Lift: 241
• Exhaust Valve Lift: 0.483
• Grind Number: 279TH7
• Intake Duration at .050 Inch Lift: 227
• Intake Valve Lift: 0.498
• K-Kit Upgrade: K11-600-4
• Lifter Type: Hydraulic Flat Tappet
• Lifters Included: No
• Lobe Separation: 107
• Usage: Street/Performance
• Valve Springs Required: Yes

Extended Information:

• Country of Origin: United States
• Emissions : CARB Eligible

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 24.2 x 2.8 x 2.8 inches
• Weight: 10.75 POUNDS