LSR™ Hydraulic Roller Tappet Camshaft (54-456-11) by COMP Cams®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a hassle free installation, this reliable product can help you get you vehicle back on the road faster and easier.
Notes
Valve Springs Required: Yes
This is a Race Only product that is to be used solely for competition. It cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. Shipping Restriction: CA, NY, ME
Specifications
Low-End RPM: 1500
Top-End RPM: 6700
Intake Duration at 0.050 In Lift: 219°
Exhaust Duration at 0.050 In Lift: 227°
Intake Valve Lift: 0.607"
Exhaust Valve Lift: 0.614"
Advertised Intake Duration: 269°
Advertised Exhaust Duration: 277°
Lobe Separation: 112°
Intake Centerline: 107°
Grind Number: 269Lr HR12
Attachment: 3-Bolt
Material: Billet Steel
Valve Timing: 0.006
Lobe Lift Intake: 0.357"
Lobe Lift Exhaust: 0.361"
Intake Open BTDC: 26°
Exhaust Open BBDC: 74°
Intake Close ABDC: 62°
Exhaust Close ATDC: 22°
Features
Take advantage of today’s newer and better flowing aftermarket cylinder heads
Feature higher exhaust duration and overall to provide broadest powerband and most top end power of any cam
Unique grinds for both cathedral and rectangle port cylinder heads
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, COMP Cams® still retains the competitive spirit and desire to be the very best that has positioned COMP Cams® as the absolute leader in valve train components.
Only authorized customers can leave a review on our website. We would love to know what you like or dislike about the product. Share your opinion on product quality, appearance, installation, and other characteristics.