Engine Parts
Ring Set 139/143 M8
Part # 0912-0920
$102.95
NY: 3
National: 17
- —Gas nitride-coated rings offer the ultimate compatibility with nickel-silicon-carbide-plated bores
- —High-tension compression rings with 3 mm oil scrapper rails
- —Sold as a set for one piston
- —Made in the USA
- —Not recommended for use with cast-iron/ductile-sleeved cylinders.
- —Replacement ring sets for related piston kits.
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Riding StyleStreet
Compression Ratio11.1:1
Displacement143"
Piston Head ShapeFlat Top
Product NameRing Set
Compression Ratio11.3:1
StyleReplacement
Stroke Length4-1/2"
Displacement139"
UnitsSet
Bore Size4.500"
Stroke Length4-3/8"
Weight0.5 lbs
Dimensions (L x W x H)15.75" x 5.25" x 0.05"














