5.9/6.7 COLT CAMS TAPPETS

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Engineered for superior performance, Colt Cams tappets feature a precision machined 1.4" diameter face and an optimized crowned (convex) contact surface—the most critical factor in achieving consistent lifter rotation on the Cummins platform. After years of industry-wide inconsistency in crown quality—including flat and even dished surfaces found on brand-new aftermarket tappets—Colt Cams developed a solution that eliminates these failures. By refining crown geometry and maximizing curvature across the lobe width, Colt Cams tappets deliver reliable rotation, reduced wear, and dependable valve-train performance. Fits: 89-18 5.9/6.7 Cummins Show more