COMP Cams
Comp Cams 1.550 Spring Seat Cutter for .630" Guide
Comp Cams 1.550 Spring Seat Cutter for .630" Guide
Part number: 01PYK
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: .630" GuideFitment notes & questions
1.550 Spring Seat Cutter by COMP Cams. Specialty tools often turn a hard job into an easy one.
Key features
- Cutter for Spring Seats (Cuts to 1.550" OD / .630" ID)
- Cuts cylinder head spring seats to 1.550" outer diameter / .630" inner diameter
- Requires the use of an arbor/pilot, which are available for 5/16", 11/32" & 3/8" valve stem sizes
Specifications
- Brand: COMP Cams
- Part type: Tool
Fitment
This listing does not name specific vehicles. Match the part number and the specifications with the part you are replacing.
What it does
Buying the right tool for a job once is cheaper than rounding off bolts with the wrong one. The right tool makes the job faster and safer and saves damaging parts or fasteners.
Installation & tips
- Always support a car on jack stands, never on a jack alone.
- Safety gear: Gloves and eye protection for every job.
- Use a service manual for your vehicle for torque specs and procedures, and keep the old part until the new one is fitted.
FAQ
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.

About this interior part for the .630" Guide
Safety items like seats and harnesses should be rated for how you use the car.
Fitment notes
- Listed for: .630" Guide.
- Specs, lead time and warranty come from COMP Cams and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Mounting brackets. Seats often need vehicle-specific brackets.
More for your car: Interior
Questions about .630" Guide interior part
Will this fit my .630" Guide?
Does it include brackets?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.