Comp Cams LSR Rectangular Port 239/255 Hydraulic Roller Cam for GM LS GEN III/IV - 54-471-11
Broad top end power range for high RPM, race only LS engines with aftermarket rectangular port heads and higher compression.
LSR Rectangular Port 239/255 Hydraulic Roller Cam for GM LS GEN III/IV
PRODUCT NOTES:
Camshaft Series - LSR Rectangular Port All Out Power
Cam Type - Hydraulic Roller
Grind Number - 289LRR HR14
Basic Operating RPM Range - 2,400-7,200 R3
Intake Duration at .050 Inch Lift - 239 DD
Exhaust Duration at .050 inch Lift - 255 DD
Advertised Intake Duration - 289 DD
Advertised Exhaust Duration - 305 DD
Lobe Separation - 114 DD
Intake Valve Lift - 0.624 IN
Exhaust Valve Lift - 0.624 IN
Lifters Included - No
Valve Springs Required - Yes
Assembly Lubricant Included - No
Camshaft Gear Attachment - 3-Bolt
Camshaft Material - Billet Steel
Title - LSR Rectangular Port 239/255 Hydraulic Roller Cam for GM LS GEN III/IV
California Proposition 65 - WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Lifter Type - Hydraulic Roller
Engine Family - GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015)
Amazon ASIN - B001P1Z990
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
Lethal Performance is proud to offer the entire line of Comp Cams products!
For more than 35 years, the COMP Cams® mission has never changed: to produce the highest-performing products possible, provide customers with superior service, and to lead the industry in technological development. While the COMP Performance Group™ has grown to multiple companies and hundreds of employees, we still retain the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
With COMP Cams®, there is no compromise - you're in first place.
