Ring Set, Moly, Buick 301, 350L Eng. (77-79), Checker 327, 350 Eng. (69-79), Chev. 302, 327, 35, Set
$60.00
$70.38
Ring Set, Moly, Buick 364 Eng. (57-61), Chev. 348, 396, 400, 402 Engs. (58-61), Chev.Trk. 348, Set
$80.00
$100.98
Ring Set, Moly, Ford 429, 460(7.5L) Engs. (68-78), Fod Trk. 429, 460(7.5L) Engs, Set
$80.00
$123.62
High Performance Piston Rings
Piston rings are a crucial part of your car’s engine as they provide a seal for oil and help create compression and power in the cylinder bore. They are vital for avoiding damage to the engine, including the engine block, and ensuring maximum power output. But since they constantly endure stress, they are prone to wear and tear.
Luckily, at VPW, we want to ensure you'll get the best value for your money. Our custom piston rings are crafted from high-quality materials, so you can enjoy the quality and performance you want at an affordable price. This is a VPW guarantee for all products, from premium cylinder head gaskets to accessory drives & pulleys. So browse our selection now!
From Piston Ring Kits to Accessories, We Have it All
VPW's range is designed to withstand the pressure of high RPM engines. Find replacement piston rings in all popular bore sizes and ring configurations in our store.
The Compression Ring
The compression ring is the topmost ring in the piston attached to its outside diameter. Its primary role is to seal the gap between the piston and the cylinder walls, holding back most combustion gases. This piston ring also dissipates the heat from the piston to the cylinder wall.
The Scraper Ring (Middle Piston Ring)
The scraper ring is an all-around piston ring, functioning as both the compression and oil control. It helps seal the combustion chamber from the crankcase and guide the engine oil back down to the crankcase.
The Oil Control Ring
The oil control ring disperses and regulates oil on the cylinder wall, and scrapes it back down into your engine's crankcase. This will ensure your cylinder wall is always coated with a thin, cooler oil film from the crankcase, reducing friction between the piston and the cylinder while regulating heat.
Matching Your Piston Rings to Your Build Power
Upgrading to heavy-duty performance piston rings ensures your engine can handle extreme pressures without losing power.
If you want absolute precision control over your build, file-fit piston rings are a smart choice. They are made slightly oversized, giving you the freedom to manually file down the edges to get a perfect fit for your specific engine block. Leaving an adequately high boost piston ring gap gives the metal rings enough room to expand naturally from the intense heat. If that gap is too tight, the ring ends will press together, lock up, and cause internal engine damage under heavy acceleration.
To ensure your entire short block is strong enough to handle this extra squeeze, we highly recommend matching your new rings with our rugged forged performance pistons and a set of high-performance engine bearings. If you want to bypass the machining math entirely, browse our fully balanced rotating assemblies to keep your project moving forward.
Get the Aftermarket Parts You Need at VPW
Getting your engine sealing properly shouldn't be a guessing game or a budget buster. VPW is proud to be a leading supplier of aftermarket car parts in Australia, offering the components you need at amazing prices. Whether you’re replacing worn-out rings on a standard daily driver or calculating clearances for a high-horsepower race track project, our team is here to help you find the right fit the first time. Don't let poor compression or oil blow-by keep your project stuck on the stands. Visit our showroom, shop online, or get in touch with our team to find the perfect piston rings for your needs!
Frequently Asked Questions
What is the difference between file-fit and drop-in piston rings?
Drop-in piston rings are pre-gapped by the manufacturer to standard factory tolerances, meaning you can install them straight out of the box for standard bores and common rebuilds. File-fit piston rings are manufactured slightly oversized, allowing engine builders to manually file the ring ends down to achieve a highly precise, custom gap tailored for high-output or motorsport applications.
Why do different piston rings use different materials like plasma-moly or chrome?
The material coating dictates how the ring handles friction, heat, and cylinder wear. Cast iron or ductile iron engine ring sets are excellent for everyday driving. Plasma-moly coatings offer awesome oil retention and efficient break-in, making them perfect for performance piston rings. Chrome coatings are exceptionally durable, making them highly resistant to debris and a popular choice for harsh off-road environments.
What causes piston rings to fail or wear out prematurely?
Premature wear is generally caused by improper ring gap, inadequate oil lubrication, engine overheating, or dirt bypassing an ineffective air filter. In modified engines, failure often happens because the clearances were set too tight. If there isn’t a big enough gap between the piston rings, the intense heat will cause the ring ends to expand until they butt together, instantly cracking the ring or breaking the piston lands.
