SKU: TOTCRG2012-25
MPN: CRG2012 25
The Piston Ring Set 4.145 Classic Gold 1.5 1.5 3.0mm by TOTAL SEAL is engineered for engine builders and performance mechanics who demand precision in top-end compression and oil control. This ring set is designed for 4.145-inch bore diameters and represents the gold standard in aftermarket piston ring technology. Whether you're building a classic street engine, preparing a competition powerplant, or restoring a vintage automotive project, TOTAL SEAL's proven design maintains peak performance across a wide range of RPM and load conditions.
TOTAL SEAL's Classic Gold ring set features a precise 1.5mm top compression ring, 1.5mm second compression ring, and 3.0mm oil control ring configuration that balances blow-by reduction with minimal friction loss. This three-piece design optimizes ring gap clearance and radial tension to ensure consistent sealing across temperature cycling and varying combustion pressures. The metallic composition and heat-treatment process allow these rings to withstand elevated engine temperatures while maintaining dimensional stability—critical factors when operating at higher boost levels or extended RPM ranges. The compact packaging (4.9 x 1.9 x 9.9 inches) ships efficiently, and the 0.85-pound weight reflects the dense, durable material science behind modern piston ring construction.
Mechanics and engine builders working on small-block variants and specialty builds benefit from this ring set's precise bore-specific fitment and proven track record in both naturally aspirated and forced-induction applications. Installation requires proper ring gap setup, honing procedures, and correct bearing clearances—standard practice for any quality rebuild. This piston ring set integrates seamlessly into engines requiring exact 4.145-inch bore dimensions and is compatible with most modern and classic engine platforms using that specification. For serious rebuilds where compression integrity and longevity are non-negotiable, TOTAL SEAL's engineering delivers measurable improvements in ring seal efficiency and reduced oil consumption.
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