COMP Cams 54-473-11 - Camshaft LS1 297Lrr HR-114
COMP Cams 54-473-11
- Part Number:
- 54-473-11
- SKU:
- COMP-54-473-11
- UPC:
- 036584195351
- Availability:
- Email us for availability
- Order Terms:
- Due to supply chain related delays this product is SPECIAL ORDERED. Some products are taking an extended period to ship, so it is recommend to email us to ask about stock before ordering. Do not order unless you can wait.
COMP Cams - 54-473-11
LSR Rectangular Port 247/263 Hydraulic Roller Cam for GM LS GEN III/IV
400+c.i., high RPM applications with major modifications and rectangular port cylinder heads.
Camshaft Series: LSR Rectangular Port Large Displacement
Cam Type: Hydraulic Roller
Grind Number: 297LRR HR14
Basic Operating RPM Range: 2,400-7,000
Intake Duration at .050 Inch Lift: 247
Exhaust Duration at .050 inch Lift: 263
Advertised Intake Duration: 297
Advertised Exhaust Duration: 313
Lobe Separation: 114
Intake Valve Lift: 0.624
Exhaust Valve Lift: 0.624
Lifters Included: No
Valve Springs Required: Yes
Assembly Lubricant Included: No
Camshaft Gear Attachment: 3-Bolt
Camshaft Material: Billet Steel
Engine Family: GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Lifter Type: Hydraulic Roller
Amazon ASIN: B002EE0FBY
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
MSE Process Video Link: https://www.youtube.com/watch?v=hTyIQxrPCCI
