Stage 2 Thumpr Cam for GEN IV LS 4.8/5.3/6.0L Trucks - 54-703-11

Associated Comments:

• CK and MK camshaft kits are available for this camshaft. Add CK or MK to the beginning of this part number for a CK or MK Kit with appropriately matched valvetrain parts.

Additional Attributes:

• GTIN: 00036584386438
• Advertised Exhaust Duration: 299
• Advertised Intake Duration: 282
• Amazon ASIN: B07M6297DT
• Assembly Lubricant Included: No
• Basic Operating RPM Range: 1,800-6,600
• 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 Type: Hydraulic Roller
• Camshaft Gear Attachment: 3-Bolt
• Camshaft Material: Billet Steel
• Camshaft Series: Thumpr NSR (No Springs Required)
• CK-Kit Upgrade: CK54-703-11
• Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
• Exhaust Duration at .050 inch Lift: 237
• Exhaust Valve Lift: 0.612
• Grind Number: 282LTH13
• Intake Duration at .050 Inch Lift: 227
• Intake Valve Lift: 0.614
• Lifter Type: Hydraulic Roller
• Lifters Included: No
• Lobe Separation: 113
• MK-Kit Upgrade: MK54-703-11
• Recommended Cam Install Kit: 5621
• Recommended Max-Lift BSR Shaft Rocker System: 1981-16
• Recommended Upgraded Stock Rocker Arms: 1477-16
• Stage: 2
• Usage: Street / Performance
• Valve Springs Required: Yes

Extended Information:

• Emissions : EPA Eligible
• Life Cycle Status: Available To Order

Packaging:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 23.31 x 2.91 x 2.6 inches