Best Sealed Power Automotive Performance Piston Rings in 2026

Installs and removes piston rings up to 6.4mm (1/4") without twisting.

Material: Carbon Steel (Plier) / Strong Spring Steel (Compressor)

Adjustable from 2-1/8" to 7" (53mm - 175mm)

Use to install pistons on most passenger cars.

Band Diameter Sizes: 2-1/8" to 7" (53mm - 175mm)

Piston Installer Plier for use on the most common piston and ring diameters ranging in thickness from 3/64-inch to 1/4-inch (1.2mm to 6.4mm).

Specs: Description: Ring Compressor Kit, Complete kit includes three different-size plastic rings and locking clamp., Compresses piston rings from a range of 40mm to 60mm diameter

Stens 1 year warranty ensures reliability and performance for every part. We're confident that our products will work flawlessly, but in a rare case that it does not, we'll replace it anytime within one year of your order.

Stens branded parts are trusted by professional dealers tperform OEM quality repairs. The Stens name is featured on all Genuine Stens product packaging.

Piston Ring compressor (2" - 5")

For compressing rings on pistons 2" In diameter.

Ratcheting lock mechanism with fingertip release lever.

Purpose: Mainly used to install piston rings in compression cylinders. Fine tooth lock supports you in compressing bands in small engine increments. It is an indispensable tool for mechanics, tractors, cars, trucks, racing cars, and diesel engines.

Includes: Piston ring compressor set includes 1 pliers and 14 piston rings. The diameter range of the piston ring is 62-145mm/2.4-5.7inch. The 14 diameters are suitable for different types of motors, practical and convenient.

High Quality: The piston ring set is made of manganese steel and iron, high quality and durable. The fine-tooth ratchet pliers can be used flexibly and can be parallel or perpendicular to the cylinder block for precise compression, saving time and effort.

Face of top rings coated with latest generation Plasma-Moly

Decreases friction

Very resistant to scuffing

Package Dimensions: 10 L x 2 H x 6 W (inches)

Package Weight : 1 pounds

Country of Origin : United States

Used for increasing the pressure and density of gas

Friction type brakes to hold the rings

Highly reliable

Package Dimensions: 10 L x 2 H x 6 W (inches)

Package Weight : 0.74 pounds

Country of Origin : United States

♛【Package Includes】: You'll receive a piston ring compressor set including 2pcs piston ring pliers and 13pcs piston rings. These tools are good helper for repairing different types of car engine, the pliers included will make piston rings' installation more easily. For easy to carry, we also provided a case for storing piston ring compression tool set.

♛【Quality Material】: Our piston ring compressor set contains high quality 45#steel pliers and 65Mn steel piston rings. The pliers can be operated paralleled or perpendicular to the cylinder block and insert piston rings quickly to achieve precise compression. And piston ring pliers is made of chrome-vanadium steel, high hardness, strong bite force and rust resistance, durable for long-term using.

♛【13Pcs Piston Rings】: 13 sizes of piston rings are provided in this set: 62-65mm, 75mm, 80mm, 85-86-88mm, 90-92-95mm, 100-102mm, 105-106-108mm, 110mm, 113-114mm, 120-123mm, 125-126mm, 135-137mm, 140-142-145mm, which can be applied to different types of motors, you can check your car type information and select suitable size from them.

Package Dimensions: 10 L x 2 H x 6 W (inches)

Package Weight : 1 pounds

Country of Origin : United States

THIS IS BRAND NEW: DNJ® Piston Set Standard Size

FITS: 06-17 Chevrolet, GMC 2.4L L4 DOHC Naturally Aspirated LEA,LUK,LAF

FITMENT NOTES: Set Services Complete Engine, 1.2x1.5x2.5, w/ 2.5mm Oil Ring, 1.2x1.5x2.5 Must Use w/ PR336

Package Dimensions: 20 L x 6 H x 12 W (inches)

Package Weight: 0.1 pounds

Country of Origin : United States

Package Dimensions: 24.2 H x 5.4 L x 14.5 W (centimeters)

Made in USA

Tapered Ring Compressors

MAHLE piston rings are the most technically advanced piston rings in the industry. Driven by OE requirements; reducing friction and ring mass while minimizing engine oil consumption, and providing longer service life. MAHLE is one of the largest OE piston ring manufacturers in the world and leads the industry for the latest piston ring technology.

Highest quality OE replacement piston ring set available - MAHLE replacement ring sets are designed with OE form, fit, and function

MAHLE piston rings feature cast iron or ductile cast iron upper compression rings with a positive twist and barrel face for instantaneous break in

Designed to deliver trouble-free, consistent performance

Right for your vehicle and lifestyle

Made from high-quality materials for ultimate durability

Uses Proform P/N 66786 Replacement Grinding Wheels

Can Be Bench or Vise Mounted

Made From Quality Aluminum and Has a Natural Finish

Features a 4.600" true radius design

Far superior to conventional tapered compressors

Manufactured from 6061-T6 billet tube material and protected with type 3 anodizing

Piston Ring Compressor, 83.0mm

Material: Aluminum

Finish: Anodized

Package Dimensions: 5.6 cms (L) x 14.6 cms (W) x 24.3 cms (H)

Product Type: Auto Accessory

Package Quantity: 1

Package Dimensions: 10 L x 2 H x 6 W (inches)

Package Weight : 0.81 pounds

Country of Origin : United States

Package Dimensions: 10 L x 2 H x 6 W (inches)

Package Weight : 0.72 pounds

Country of Origin : United States

Package Weight : 1.22 pounds

The package length is 2.54 centimeters

The package height is 55.88 centimeters

4.530" Piston ring

Manley File Fit Piston Rings 3.572 in Bore 8 Cylinder Kit P/N 46620-8

Package Dimension : 2.5 inches L x 4.0 inches W x 4.0 inches H

Fit type: Vehicle Specific

Product Type:Auto Part

Item Package Dimension:5.5 " L X 5.0 " W X 3.75 " H

Item Package Weight:0.8 Lbs

THIS IS BRAND NEW: DNJ® Piston Set Standard Size

FITS: 85-95 Toyota / 4Runner, Pickup, Celica 2.4L L4 SOHC Naturally Aspirated 22RE,22R,22REC

FITMENT NOTES: Set Services Complete Engine, 1.5x1.5x4.0

FITMENT -- Custom-fitted, fit for Cummins ISX, Caterpillar 3400, and C-15 with a 5.4" Bore.

BENEFITS -- Repair involving cylinder liner removal and install for the Cummins ISX engines with anti-polishing rings. Assures proper piston installation, reducing the possibility of broken rings.（These items are also available separately）

BUILT TO LAST – Manufactured from heavy duty Cast steel coated with black finish for extended longevity. Solid construction and nice look make these items an outstanding update over your OEM one!

✔️【Great Value Kit】 --- This set contains 8pcs piston ring compressor installation tools: ①1 x 3 inch piston ring compressor, ②1 x 4 inch piston ring compressor, ③1 x 6 inch piston ring compressor, ④1 x piston ring pliers, ⑤1 x c feeler gauges, ⑥3 x wrench. This complete set would make your projects done easily and conveniently.

✔️【Premium & Tough】 ------- Our piston ring compressors are made of premium spring steel with nickel plated surface for enhanced durability and high strength, which are rust-resistant and durable for a long service time. Our feeler gauge is made of high quality steel with oil coating to prevent corrosion, durable and sturdy.

✔️【Multi-Function】 --- Simply adjust the safety screws of piston rings compressor during disassembly process. Piston installer pliers are used for installs and removes piston rings; Easy to operate, safe and reliable. Common-used sizes: ①3 inch piston ring compressor: 53mm - 175mm; ②4 inch piston ring compressor: 53mm - 175mm；③6 inch piston ring compressor: 60mm - 195mm.