SKU: JEPJG86F8-4600-5
UPC: 193564222671
MPN: JG86F8-4600-5
The JE PISTONS Piston Ring Set 4.600 Bore .043 1/16 3/16 is engineered for high-performance engine builders and serious enthusiasts who demand precision-matched ring geometry for maximum compression and durability. This ring set addresses the critical need for proper top-end sealing in modified and stock replacement applications, where OEM components may not deliver the consistency required for forced induction, high-RPM operation, or extended duty cycles. JE Pistons has built its reputation on delivering OEM-quality components to professional machine shops and weekend warriors alike.
The .043-inch ring width with 1/16-inch top ring and 3/16-inch second/oil ring configuration ensures optimal balance between sealing performance and minimal friction. This dimensional specification is critical for engines with a 4.600-inch bore, where proper ring thickness prevents excessive blowby while maintaining stable oil control and reducing parasitic drag on the crankshaft. The precision manufacturing tolerances in JE ring sets minimize blow-by loss, improve fuel economy, and preserve ring groove integrity through thousands of heat and pressure cycles, making them ideal for both naturally aspirated and turbocharged platforms.
Installation pairs seamlessly with JE forged pistons and custom-bored blocks during a complete engine build or top-end refresh. Engine builders working with 4.600-inch displacement packages—common in small-block Chevy, LS, and big-block platforms—will find this ring set delivers the compression ratio consistency and sealing reliability necessary for dyno testing and street validation. Proper installation requires honing to JE specifications and use of a ring compressor tool; consult your engine builder or machine shop for exact bore sizing and ring gap clearance recommendations specific to your application.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.