RAM Parts Catalog

RAM PMA HIGH-EFFICIENCY CAMSHAFT

(254) 752-8381 PARTS FAX: (254)756-0640 ENGINE FAX: (254) 752-3307

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FAA APPROVED PMA RAM HIGH-EFFICIENCY CAMSHAFT

THE ORIGINAL HIGH-EFFICIENCY

FOR CONTINENTAL DIRECT-DRIVE ENGINES

Approved for following Continental Engines: IO-520, IO-550, TSIO-520, and TSIO-550 with front mounted alternators.

This high-efficiency camshaft provides 3% improved fuel economy at 65% power, or 3% more power at original fuel flow. This is accomplished by a slight reduction in lift, duration and overlap. The reduced duration and overlap lessens the amount of fuel/air charge lost through the exhaust port during cylinder scavenging. The reduced lift is incorporated to minimize valve gear acceleration, stress and wear, thus improving durability. RAM High-Efficiency Direct Drive Engine Camshaft Camshaft Features and Benefits • Easier starting and improved idle. • 25% reduction in valve train component structural loads. • RAM’s 1058 series of Camshafts are shot peened for stress relief, then dry-film lubricated by painting, baking and burnishing a lead/tin/graphite resin on each camshaft. The camshaft thereby achieves long term wear reduction.

A direct replacement for the Continental camshaft PN: 653058A1

RAM Direct Drive Engine Camshaft Reground PN: 1058-1A-UP PMA-New PN: 1058-20

Reground -exchange: $980 PMA New -exchange: $1,745

Core: $100 Core: $100

RAM Aircraft, Limited Partnership • P.O. Box 5219 • Waco, TX 76708 • 7505 Karl May Dr. • Waco Regional Airport Phone: 254-752-8381 • Parts Fax: 254-756-0640 • Engines Fax: 254-752-3307 • www.ramaircraft.com Product, price, specifications, and availability subject to change without notice. Installer must cross-check eligibility with applicable technical data.

2024 RAM CATALOG