Best Sealed Power 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)

For 4.000" cylinder bore

Anodized aircraft grade aluminum

Allows simple and easy piston ring installation

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.

Hastings Piston Rings 2M4860 8-Cyl Ring Set; Plasma Moly; Bore 101.6 mm/4 in.; 1st Ring 1.5 mm/0.058 in.; 2nd Ring 1.5 mm/0.058 in.; Oil Ring 3 mm/0.114 in.; Standard Size;

Hastings Piston Rings

2M4860

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

After nearly 70 years in the business, the name Wiseco has become synonymous with pistons, especially pistons for off-road racing and riding.

Wiseco has attained that instant brand recognition by being one of the few manufacturers of forged pistons within the U.S.A.

They carry a full line of performance products including forged pistons, precision forged clutch baskets and hubs, crankshafts, camshafts, forged connecting rods, valves, and other accessories for just about any motorcycle, ATV, snowmobile, PWC, outboard

Fits: 94-04 Mitsubishi Diamante Montero Sport 3.5L SOHC DOHC 6G74 (see description below)

Ultra Performance Custom Made Premium Piston Ring Set

Gas Nitrited Steel Rings, 50% Longer Life, Reduced Oil Consumption, Reduced Blow By, Reduced Wear, Reduced Breakage, and Reduced Friction

FITS: 11-15 Kia / Optima , 2.4L L4 DOHC Naturally Aspirated

FITMENT NOTES: 1.2x1.2x2.0

You are assured to receive a worldwide proven Engine Re-Ring Kit quality part with OE quality fit and performance.

FITS: 10-17 Buick / LaCrosse , 2.4L L4 DOHC Naturally Aspirated

FITMENT NOTES: 1.2x1.5x2.5

You are assured to receive a worldwide proven Engine Re-Ring Kit quality part with OE quality fit and performance.

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

For Wiseco Pistons: 716M08940 with a 89.40mm Bore and 871M08950 with a 89.50mm Bore

These rings maintain their size and geometry for exceptional ring seal providing sustained peak performance in race applications

Each ring set is for one Wiseco piston

FITS: 04-07 Jeep / Grand Cherokee , 4.7L V8 SOHC Naturally Aspirated

FITMENT NOTES: 1.5x1.5x3.0

You are assured to receive a worldwide proven Engine Re-Ring Kit quality part with OE quality fit and performance.

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

Specs: Description: Piston Rings +.020, Piston Size: + .020, Color: Chrome, Ethanol: Not compatible with greater than 10% ethanol fuel, Packaging type: Branded box, Diameter: 3.395"

Replaces OEM Numbers: Gravely: 012365, 20094300, Kohler: 235891, 235891-S, 48 108 03, 48 108 03-S

Compatible With/Replacement For: Gravely: K301 and K532, before Serial No. 1730100013, Kohler: K301 and K532, before Serial No. 1730100013

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

The motorcycle engine piston and ring kit using high-purity aluminum material, die-casting molding, high density, low expansion coefficient, smooth operation in high temperature environment. Extreme strength, durability and toughness can achieve high performance and long life.

The temperature of the motorcycle engine piston head can withstand a high temperature of 300°C; two-layer ductile iron, with relatively soft rigidity and good sealing.

The motorcycle piston ring adopts nitriding technology to enhance its wear resistance and good sealing performance.