Size Standard Material Grade Standard Material UCR-Cast Iron; LCR-Cast Iron; OCR-Stainless Steel Facing OCR-Chrome Axial Height UCR-5/64in; LCR-5/64in; OCR-3/16in Ring Type UCR:BT-10; LCR:RBT-10; OCR: CP-20 Single Cylinder Set
Size 0.030in Material Grade Premium Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel Facing UCR-Plasma-Moly; OCR-Chrome Axial Height UCR-5/64in; LCR-5/64in; OCR-3/16in Ring Type UCR:RF-13PF; LCR:RBT-10; OCR: CP-20 Single Cylinder Set
Size Standard Material Grade Premium Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel Facing UCR-Plasma-Moly; OCR-Chrome Axial Height UCR-5/64in; LCR-5/64in; OCR-3/16in Ring Type UCR:RF-13PF; LCR:RBT-10; OCR: CP-20 Single Cylinder Set
Ductile 2nd Ring Moly Steel Top Ring Premium Single Cylinder Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Ductile 2nd Ring Economy Ductile Top Ring Ring Groove Widths: 2.0 (mm) , 2.0 (mm) , 4.75 (mm) Standard
Ductile 2nd Ring Economy Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Ductile 2nd Ring Economy Ductile Top Ring Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Size 0.040in Material Grade Premium Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel Facing UCR-Chrome; OCR-Chrome Axial Height UCR-5/64in; LCR-5/64in; OCR-3/16in Ring Type UCR:RF-13U; LCR:BT-10; OCR: CP-20
Size 0.020in Material Grade Premium Material UCR-Carbon Steel; LCR-Cast Iron; OCR-Stainless Steel Facing UCR-Plasma-Moly; OCR-Chrome Axial Height UCR-1.5mm; LCR-1.75mm; OCR-3.0mm Ring Type UCR:RF-13PF; LCR:RBT-10; OCR: CP-20 Shallow Groove
Size Standard Material Grade Standard Material UCR-Cast Iron; LCR-Carbon Steel; OCR-Stainless Steel Facing OCR-Chrome Axial Height UCR-1.5mm; LCR-1.5mm; OCR-4.0mm Ring Type UCR:BT-10; LCR:THM-13; OCR: CP-20 Shallow Groove
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Ductile 2nd Ring Economy Ductile Top Ring Ring Groove Widths: 5/64 (in) , 3/32 (in) , 3/16 (in) Check Piston Ring Grooves Before Supplying Ring Set Standard
Use with H820CP Piston Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm) Standard
Chrome Steel Top Ring Ductile 2nd Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Size Standard Material Grade Premium Material UCR-Ductile Iron; LCR-Cast Iron; OCR-Stainless Steel Facing UCR-Plasma-Moly; LCR-Chrome; OCR-Chrome Axial Height UCR-2.0mm; LCR-2.0mm; OCR-4.75mm Ring Type UCR:RF-18PF; LCR:BT-10U; OCR: CP-20
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 3.0 (mm) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 1.5 (mm) , 1.75 (mm) , 3.0 (mm) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 1.5 (mm) , 1.5 (mm) , 4.0 (mm) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 3/32 (in) , 3/16 (in) Check Piston Ring Grooves Before Supplying Ring Set Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 2.0 (mm) , 2.0 (mm) , 4.76 (mm) Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Check Piston Ring Grooves Before Supplying Ring Set Standard
Ductile 2nd Ring Moly Steel Top Ring Premium Ring Groove Widths: 5/64 (in) , 5/64 (in) , 3/16 (in) Standard
Browse our selection of quality engine piston ring set parts designed specifically for your Mercury Cougar. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Boss 302 · Boss 429 · Brougham · Cobra Jet · GS · LS · S · V6 · Villager · XR-7
Coupe · Hardtop · Sedan · Wagon
L4 2.0L · L4 2.3L · L6 3.3L · V6 2.5L · V6 3.8L · V8 4.2L · V8 4.6L · V8 4.7L · V8 5.0L · V8 5.8L · V8 6.4L · V8 6.6L · V8 7.0L · V8 7.5L
Automatic · Manual · U/K