COMP Cams 4741 Engine Valve Seat Cutter. COMP Cams 4741 This valve seat cutter allows you to enlarge the cylinder head spring pocket to 1.680 outer diameter while reducing the outer diameter of the valve guide to. Engine Valve Seat Cutter. Exempt for California Certified Vehicles Manufactured Before 1965? Yes, but must meet tailpipe emission standards for year of vehicle. Exempt for Federally Certified Vehicles Manufactured Before 1967? Exempt for Foreign Vehicles Manufactured Before 1967? Exempt for On-Road Vehicles? Exempt for Racing and Off-Road Only Vehicles? Yes, but must be a race/competition only vehicle. Exemption Reason: No impact on pollution output of vehicle. California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings. Ca. Cuts Guide Outer Diameter to: 0.56 IN. Cuts Spring Seat Outer Diameter to: 1.68 IN. We carry performance and replacement parts, along with every consumer item you’ll ever need. Our goal is to exceed your expectations. And we’ve built a system to do just that. Our company combines hard-core drag racers and auto enthusiasts with tech-savvy engineers and developers – all car lovers – to create a webstore that gives you an unmatched shopping experience – and we deliver it fast. Unlike traditional brick-and-mortar retail outlets, our inventory isn’t limited to what we can pack into a storefront or what a counter clerk may be able to find. A better shopping experience, for every product for every car, whenever you order. And we guarantee it. All orders are immediately sent to our distribution centers which may impact your ability to cancel the order once it’s placed. Many parts are stocked in more than one warehouse location. PartsHawk stands behind every item we sell. Occasionally, there may be an issue with your item or your order and we will do our best to ensure you are 100% satisfied. Large Parcel Items : For large items bumpers, side steps, bed covers, etc. All accessories & hardware. Any documents and instructions. Placing an order outside the US is easy! At times there is a delay in the carrier’s tracking for updates. Please allow up to 24 hours for your tracking to update. If you still do not see any movement, please contact our Customer Service Department and we will be happy to assist. How can I get a copy of my receipt or invoice? Please feel free to reach out to us and we will provide additional details. Leave by back door, leave with neighbor, place in the planter on the left of my garage, etc. We recommend leaving a note for the carrier on the door nearest to the street as we do not have a way to communicate those requests for you. Do I have to be there to sign for my package? There is no additional cost to you for this service. How do I know if this part will fit my vehicle? Check the vehicle compatibility guide above or just reach out to us. Updated 10.19.2023.