1988 Mercury Cougar Engine Piston Ring Set Parts

Choose your Engine for your 1988 Mercury Cougar


Showing 1 - 3 of 3 products
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Sealed Power
  • Engine Piston Ring Set
  • Premium Ring Groove Widths: 5/64in , 5/64in , 3/16in Moly Steel Top Ring Ductile 2nd Ring Use with H654P Piston 0.030in Oversize
  • Sealed Power E-251K 30 Premium Piston Ring Set
  • Product Attributes:
    • Radial Wall Thickness - Top (in): 0.145
    • 2nd Ring Width (in): 5/64
    • File Fit (Y/N): N
    • File Fit: No
    • Top Ring Width (in): 5/64
    • 2nd Ring Material: Grey Iron W/phosphate Coating
    • Top Ring Face Design: Barrel Face
    • Ring Set Groove Widths (in): 5/64 X 5/64 X 3/16
    • Oil Ring Design: 3 Piece Flex Vent
    • Top Ring Material: Steel W/moly
    • Oil Ring Width (in): 3/16
    • Oversize (in): 0.030
    • Oil Ring Tension: Standard
    • Oversized Amount: 0.030
    • Bore Size (in): 4.0300
    • 2nd Ring Face Design: Reverse Torsional
    • Bore Diameter: 4.0300
    • Top Ring Radial Wall Thickness: 0.145
  • Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today's modern engines.

This Part Fits the Following OEM/Substitute Numbers:
210-6114030, 251K.030, 2M139-30, 2M139030, 40007.030, 40564030, 40564CP030, E-251K 30, T8325MX30

Additional Fitment Information:
Vehicle Block CC Engine CID
1988 - Mercury Cougar V - 8 Cyl 5.0L 302

Sealed Power
  • Engine Piston Ring Set
  • Economy Ring Groove Widths: 1.5mm , 1.5mm , 4mm Ductile Top Ring Ductile 2nd Ring 0.020in Oversize
  • Sealed Power E-458X 20 Standard Piston Ring Set
  • Product Attributes:
    • 2nd Ring Width: 1.50
    • Ring Set Groove Widths (mm): 1.5 X 1.5 X 4.0
    • File Fit (Y/N): N
    • File Fit: No
    • 2nd Ring Material: Grey Iron
    • Top Ring Face Design: Reverse Torsional
    • Oil Ring Width: 4.00
    • Oil Ring Width (mm): 4.00
    • Oil Ring Design:
      • 3 Piece Flex Vent
      • Ss50u
    • Top Ring Material: Grey Iron
    • Top Ring Width (mm): 1.50
    • Oversize (in): 0.020
    • Outside Diameter: 4.0200
    • Top Ring Width: 1.50
    • 2nd Ring Width (mm): 1.50
    • Oversized Amount: 0.020
    • Bore Size (in): 4.0000
    • 2nd Ring Face Design: Reverse Torsional
    • Bore Diameter: 4.0000
  • Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today's modern engines.

This Part Fits the Following OEM/Substitute Numbers:
4346020, 458X.020, 51497CP020

Additional Fitment Information:
Vehicle Block CC Engine CID
1988 - Mercury Cougar V - 8 Cyl 5.0L 302

Sealed Power
  • Engine Piston Ring Set
  • Premium Ring Groove Widths: 5/64in , 5/64in , 3/16in Moly Steel Top Ring Ductile 2nd Ring Use with H654P Piston Standard
  • Sealed Power E-251K Premium Piston Ring Set
  • Product Attributes:
    • Bore Size (mm): 101.60
    • Radial Wall Thickness - Top (in): 0.145
    • 2nd Ring Width (in): 5/64
    • File Fit (Y/N): N
    • Standard Size: Standard Size
    • File Fit: No
    • Top Ring Width (in): 5/64
    • 2nd Ring Material: Grey Iron W/phosphate Coating
    • Top Ring Face Design: Barrel Face
    • Ring Set Groove Widths (in): 5/64 X 5/64 X 3/16
    • Oil Ring Design: 3 Piece Flex Vent
    • Top Ring Material:
      • Steel W/moly
      • Steel With Moly
    • Oil Ring Width (in): 3/16
    • Outside Diameter: 4.0000
    • Bore Size (in): 4.0000
    • 2nd Ring Face Design: Reverse Torsional
    • Bore Diameter:
      • 101.60
      • 4.0000
    • Top Ring Radial Wall Thickness: 0.145
  • Sealed Power® parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today's modern engines.

This Part Fits the Following OEM/Substitute Numbers:
1389176, 210-6114, 251K, 2M139, 3205941, 3549588, 3579044, 3780016, 3799438, 3839510, 3892364, 3893202, 40564, 40564CP, 474170, 6474170, 8271, E-251K...VIEW MORE

Additional Fitment Information:
Vehicle Block CC Engine CID
1988 - Mercury Cougar V - 8 Cyl 5.0L 302
Showing 1 - 3 of 3 products

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