Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
COMP Cams 54-470-11 LSR Rectangular Port 235/251 Hydraulic Roller Cam for GM LS GEN III/IV
Select your vehicle to confirm fit. Add to Cart unlocks once it fits.
Product Availability Request
Fill the form and our team will contact you.
Enter your Engine Family Number and we will confirm whether this exact converter is street-legal for your vehicle.
Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads.
Hydraulic Roller: Very strong from mid-range to high end torque and horsepower for LS engines with rectangular port cylinder heads.
Specifications
| Camshaft Material | Billet Steel |
| Engine Family | GM LS GEN III/IV 3-Bolt 8 Cylinder (1997-2015) |
| Lifter Type | Hydraulic Roller |
| Camshaft Series | LSR Rectangular Port All Out Power |
| Cam Type | Hydraulic Roller |
| Grind Number | 285LRR HR-13 |
| Basic Operating RPM Range | 2,200-7,200 R3 |
| Intake Duration at .050 Inch Lift | 235 DD |
| Exhaust Duration at .050 inch Lift | 251 DD |
| Advertised Intake Duration | 285 DD |
| Advertised Exhaust Duration | 301 DD |
| Lobe Separation | 113 DD |
| Intake Valve Lift | 0.621 IN |
| Exhaust Valve Lift | 0.624 IN |
| Lifters Included | No |
| Valve Springs Required | Yes |
| Assembly Lubricant Included | No |
| Camshaft Gear Attachment | 3-Bolt |
| Grind Number | 285LRR HR-13 |
⚠️ California Proposition 65 Warning
California Residents: This product can expose you to chemicals which are known to the State of California to cause cancer or other reproductive harm. Please visit www.p65warnings.ca.gov for more information.
Warranty: 12 Months
Shipping Information
Free shipping is available for eligible orders.
Shipping: Free to the USA.
Orders are processed during normal business days. Delivery dates may vary by carrier and destination.
Owner Reviews
Questions & Answers
Our techs answer fitment questions, usually within 2 hours. Owners chime in too.
No questions yet. Here's what shoppers usually ask. Tap one and our techs will answer.
Ask a Question
Write a review
Share your experience with this part. Reviews are checked before they go live.
Guaranteed
Shipping
Returns
Support
Frequently Paired With
