SKU: TOTCR6264-5
MPN: CR6264 5
The Piston Ring Set 4.000 Classic 2.0 1.5 4.0mm by TOTAL SEAL represents a premium choice for engine builders and performance mechanics undertaking serious engine rebuilds or modifications. This precision ring set is engineered for classic and high-performance applications where bore diameter measures 4.000 inches, making it ideal for stroker builds, vintage engine restorations, and custom performance projects. Whether you're assembling a period-correct classic engine or maximizing compression in a modified powerplant, this ring set delivers the sealing integrity and durability that separates professional-grade builds from amateur attempts.
TOTAL SEAL's engineering approach focuses on precision ring dimensions and coating technology that minimize blow-by while reducing friction losses. The Classic 2.0 1.5 4.0mm designation specifies ring thicknesses—a 2.0mm top ring, 1.5mm second ring, and 4.0mm oil control ring—optimized for balanced pressure sealing and oil management across the piston travel. These rings feature advanced surface treatments that extend ring life, promote faster break-in, and maintain consistent compression throughout engine operation. The 0.94 lbs weight confirms the substantial construction quality required for reliable performance in high-RPM or high-boost applications where ring flutter and blowdown represent critical failure points.
Mechanics and engine builders targeting 4.000-inch bore engines—common in LS platforms, big-block Chevrolets, and large-displacement vintage builds—will find this ring set essential for achieving proper cylinder sealing and long-term reliability. Installation requires precision ring gap setting and proper honing to match TOTAL SEAL's exacting specifications; this attention to detail ensures maximum sealing efficiency and prevents premature wear. This is a core component for anyone serious about engine performance, whether restoring a collectible or building a competition powerplant where every compression point and friction reduction matters.
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