COMP Cams No Springs Required (NSR) version of extremely popular Thumpr designs. 54-700-11
Specifications:
| Cam Type | Hydraulic Roller |
| Grind Number | 272LTH11 |
| Basic Operating RPM Range | 1,500-6,300 |
| Intake Duration at .050 Inch Lift | 218 |
| Exhaust Duration at .050 inch Lift | 229 |
| Advertised Intake Duration | 272 |
| Advertised Exhaust Duration | 291 |
| Lobe Separation | 111 |
| Intake Valve Lift | 0.614 |
| Exhaust Valve Lift | 0.606 |
| Lifters Included | No |
| Valve Springs Required | No |
| Assembly Lubricant Included | No |
| Camshaft Gear Attachment | 3-Bolt |
| Camshaft Material | Billet Steel |
| Title | Stage 1 Thumpr Cam for GEN III LS 4.8/5.3/6.0L Trucks |
| Lifter Type | Hydraulic Roller |
| CK-Kit Upgrade | CK54-700-11 |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov |
| Engine Family | GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) |
| Stage | 1 |
| MK-Kit Upgrade | MK54-700-11 |
| Recommended Upgraded Stock Rocker Arms | 1477-16 |
| Recommended Max-Lift BSR Shaft Rocker System | 1981-16 |
| Recommended Cam Install Kit | 5621 |
| Amazon ASIN | B07MGZ72GX |
| 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. 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 California Certified Vehicles Manufactured Before 1965? | 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. Exemption Reason | N/A |
| C.A.R.B. E.O. Number | N/A |
| 10602 | 272LTH11 |
| Camshaft Series | Thumpr NSR (No Springs Required) |
| Usage | Street / Performance |
| Description_SHO | Stg1 Tmpr CK 4.8-6.0 |
| Description_INV | Stg1 Thumpr GEN3 LS 4.8-6.0 Trucks |
| Description_ASC | 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. |
| Description_KSW | GM |
| Description_KSW | 4.8 |
| Description_KSW | 5.3 |
| Description_KSW | 5.7 |
| Description_KSW | 6.0 |
| Description_KSW | 6.2 |
| Description_KSW | 7.0 |
| Description_KSW | LS1 |
| Description_KSW | LS2 |
| Description_KSW | LS3 |
| Description_KSW | LS4 |
| Description_KSW | LS6 |
| Description_KSW | LS7 |
| Description_KSW | LSA |
| Description_KSW | LS9 |
| Description_KSW | Camaro |
| Description_KSW | Silverado |
| Description_KSW | LS Swap |
| Description_KSW | 383 |
| Description_KSW | 350 |
| Description_KSW | SBC |
| Description_KSW | Chevelle |
| Description_KSW | Yukon |
| Description_KSW | L92 |
| Description_KSW | LM7 |
| Description_KSW | 325 |
| Description_KSW | GMC |
| Description_KSW | Trailblazer |
| Description_KSW | Corvette |
| Description_KSW | GM LS |
| Description_KSW | GEN III |
| Description_KSW | GEN 3 |
| Description_KSW | GEN IV |
| Description_KSW | GEN 4 |
| Description_KSW | DOD |
| Description_KSW | AFM |
| Description_KSW | VVT |
| Description_KSW | BTR |
| Description_KSW | Texas Speed |
| Description_DES | Stage 1 Thumpr Cam for GEN III LS 4.8/5.3/6.0L Trucks |
| Description_EXT | Perfect choice for sound & power in performance truck applications. Budget friendly |
| Description_EXT | No Springs Required (NSR) version of extremely popular Thumpr designs. |
| Description_DEF | Engine Camshaft |