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  • Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226
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Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226

4.0 out of 5 stars 247 ratings
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Purchase options and add-ons

  • Design for grinding and lapping valves,double ended. Ideal for hand lapping small and large head unslotted valves. Oil and UV-resistant synthetic rubber cups., handles.
  • Make sure valves seat perfectly during a top-end rebulid. Easy-grip handles for better control.
  • Diameter cups sizes: 16mm, 20mm, 29mm, 35mm.
  • Total length: 22.5cm/9", 21cm/8"; Handle diameter: 17mm/0.7", 23mm/0.9".
  • EASY TO USE: Clean all carbon deposits off valve and wipe down each valve, install valve in valve guide, press correct size suction cup firmly onto head of valve, and lightly spin tool handle between palms of your hand until a suitable finish is obtained; We recommend placing valve lapping/grinding compound (not included) on valve seat or valve surface (keep compound off the top surface of the valve to ensure proper suction)

Frequently bought together

Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226
This item: Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226
$10.99
Get it by Saturday, Aug 2
In Stock
Sold by auto tools and ships from 鶹 Fulfillment.
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Product description

ACCURATELY SEAT VALVES:
The Valve Hand Lapping Grinding Tool Kit 2-Piece Set – Dual-End Suction Cup Lap Stick, 1-1/8”, 1-3/8”, 5/8”, 3/16” Inch helps you properly match valve seats during an engine top-end rebuild; These tools include dual ends with oil and UV-resistant synthetic rubber cups that help you put the finishing touches on your tune-up

VARIOUS APPLICATIONS:
Suitable for any clean, flat surface of a lawn mower, chainsaw, or small or large engine car or other vehicle with 5/8-inch, 13/16-inch, 1-1/18-inch, and 1-3/8-inch (16mm, 20mm, 29mm, 35mm) valves.

GRIP COMFORTABLY:
0.7-inch (17mm) long handles for ultimate control, less user fatigue, and more productivity; 0.9-inch and 8.3-inch (23mm) overall lengths

EASY TO USE:
Clean all carbon deposits off valve and wipe down each valve, install valve in valve guide, press correct size suction cup firmly onto head of valve, and lightly spin tool handle between palms of your hand until a suitable finish is obtained; We recommend placing valve lapping/grinding compound (not included) on valve seat or valve surface (keep compound off the top surface of the valve to ensure proper suction)

PACKAGE CONTENTS:
Package includes (2) valve lapper tools with dual ends for your convenience – Large 1-1/8-inch and 1-3/8-inch, Small 5/8-inch and 3/16-inch; Lapping/grinding compound not included.

Product information

Technical Details

Manufacturer ‎SUPER TOOLS
Brand ‎Supercrazy
Parcel Dimensions ‎28.7 x 7.37 x 1.52 cm; 140 g
Manufacturer reference ‎SC0226
Is discontinued by manufacturer ‎No
Manufacturer part number ‎SC0226
Item Weight ‎140 g

Additional Information

ASIN B0196V5LBG
Customer Reviews
4.0 out of 5 stars 247 ratings

4.0 out of 5 stars
鶹 Rank
Date First Available Dec 10 2015

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Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226

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Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226
Supercrazy Double Ended Grip Valve Grinding Lapping Stick Tool Set 5/8" 13/16" 1-1/8" 1-3/8" SC0226
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Price$10.99$16.99$10.99$31.99-12%$50.99
List: $57.99
Delivery
Get it by Saturday, Aug 2
Get it by Saturday, Aug 2
Get it by Tuesday, Aug 12
Get it by Saturday, Aug 2
Get it by Saturday, Aug 2
Customer ratings
4.04.0 out of 5 stars247
3.93.9 out of 5 stars55
4.64.6 out of 5 stars20
4.14.1 out of 5 stars10
4.54.5 out of 5 stars3,647
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Customer reviews

4 out of 5 stars
247 global ratings

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Customers say

Customers like the functionality of the product. They mention it works well for the job, works great for their small engine, and is useful. However, some customers have reported that the cups loose suction and won't stick to valves. Opinions are mixed on the quality.

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FunctionalityQualitySuction
25 customers mention "Functionality"22 positive3 negative

Customers like the functionality of the product. They mention it works well for the job it was bought for, works on both intake and exhaust valves, and is useful in mechanics. However, some customers have reported that it almost sucks.

"worked good" Read more

"Works as described , I mean they are suction cups on a stick, so they work" Read more

"Work good" Read more

"Valve holders work as expected." Read more

13 customers mention "Quality"9 positive4 negative

Customers have mixed opinions about the quality of the product. Some mention it's a good product and leaves the best finished job. However, others say it's not high quality and a complete waste of money.

"Decent quality. Affordable price. Does the job." Read more

"...old school tool but ultimately, they are the best and leave the best finished job, some things just cannot be improved upon...." Read more

"not high quality" Read more

"Liked quality" Read more

19 customers mention "Suction"5 positive14 negative

Customers are dissatisfied with the suction cups. They mention the cups loose suction, are quite rigid, and not pliable at all. Some say the rubber ends are hard and do not attach.

"...You have one that’s a little rough the cup won’t stick to it. This is old school stuff done in the thirties. Take it to a machine shop." Read more

"cups loose suction" Read more

"...Out of the 12 valves, 4 were lapped without losing suction...." Read more

"...I bought em because I'd only use em once. The suction cup was a bit weak and liked to glide around on the valve on me during use...." Read more

Good for Lapping
4 out of 5 stars
Good for Lapping
These are a great size. They are plastic but they are tapered well enough to get a grip with oily hands. Had to reorder as the suction cups would not seal on the first set.
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Top reviews from Canada

  • Nana
    5.0 out of 5 stars Work as expected.
    Reviewed in Canada on April 26, 2025
    Verified Purchase
    Valve holders work as expected.
    Helpful
     Report
  • Sabre of Thy Shoe
    4.0 out of 5 stars Good for Lapping
    Reviewed in Canada on August 23, 2024
    Verified Purchase
    These are a great size. They are plastic but they are tapered well enough to get a grip with oily hands. Had to reorder as the suction cups would not seal on the first set.
    Customer image
    Sabre of Thy Shoe
    4.0 out of 5 stars
    Good for Lapping

    Reviewed in Canada on August 23, 2024
    These are a great size. They are plastic but they are tapered well enough to get a grip with oily hands. Had to reorder as the suction cups would not seal on the first set.
    Images in this review
    Customer image
    Helpful
     Report
  • Dorien.Berteletti
    5.0 out of 5 stars They work
    Reviewed in Canada on January 15, 2025
    Verified Purchase
    Good valve lapping tool.
    Helpful
     Report
  • Teren
    5.0 out of 5 stars As annoying as they are, they still can't be beat
    Reviewed in Canada on November 19, 2022
    Verified Purchase
    These worked great. None of these hand lapping suction cup stay stuck on very long but if valve is clean and the cup is clean they will stay stuck until the valve is lapped in. Out of the 12 valves, 4 were lapped without losing suction. Very annoying old school tool but ultimately, they are the best and leave the best finished job, some things just cannot be improved upon. These ones are stiff at first but get a little softer with use. Great price on this set, Thanks!
    Helpful
     Report
  • Mathieu
    1.0 out of 5 stars Défaut de fabrication
    Reviewed in Canada on July 16, 2024
    Verified Purchase
    La petite ventouse est inutilisable. Ne tiens pas du tout même sur une vitre.
    Customer image
    Mathieu
    1.0 out of 5 stars
    Défaut de fabrication

    Reviewed in Canada on July 16, 2024
    La petite ventouse est inutilisable. Ne tiens pas du tout même sur une vitre.
    Images in this review
    Customer image
    Helpful
     Report
  • David abbs
    3.0 out of 5 stars The suction power
    Reviewed in Canada on February 8, 2024
    Verified Purchase
    It works on valves that are nice and smooth. You have one that’s a little rough the cup won’t stick to it. This is old school stuff done in the thirties. Take it to a machine shop.
    Helpful
     Report
  • Rick Yaskiw
    5.0 out of 5 stars as advertised
    Reviewed in Canada on December 10, 2024
    Verified Purchase
    worked good
    Helpful
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  • Cold North
    4.0 out of 5 stars Works as described
    Reviewed in Canada on July 19, 2024
    Verified Purchase
    Works as described , I mean they are suction cups on a stick, so they work
    Helpful
     Report