Jesel KBD-35500 Belt Drive Kit BBC Raised Cam +.400"

The Jesel KBD-35500 is a precision camshaft belt drive system engineered for Big Block Chevy engines with +.400" raised cam configurations. Developed from decades of NASCAR racing experience where timing chain failures threatened 500-mile race finishes, this belt drive system has evolved into the gold standard for durability and precision timing in high-performance applications. Proven in demanding 24-hour endurance races at Daytona and Le Mans, as well as full-season circle track competition, Jesel belt drives deliver years of reliable service with simple belt replacement at recommended intervals.

Key Features:

• External Cam Timing Adjustment: Tune cam timing externally without disassembly for the most accurate and convenient adjustments available
• Billet 2024-T6 Aluminum Spider: Available as a solid unit for maximum strength and rigidity in high-stress racing applications
• Hard-Coated 7075 Aluminum Upper Pulley: Features patented High Torq Drive tooth configuration for superior grip and power transfer
• Heat-Treated Steel Crank Pulley: Incorporates High Torq Drive tooth profile for maximum durability under extreme loads
• Patented Reinforced Belt: Runs dry with less friction than chains or gear drives while absorbing harmful harmonics that can damage valvetrain components
• Teflon-Coated Seals: High-vacuum cam and crank seals ensure oil containment in high-RPM applications
• Grade 8 Hardware: All kit hardware features Allen and Torx head design for secure, repeatable installation
• Accessory Drive Capability: Compatible with optional accessories to drive distributors, fuel pumps, or oil pumps from the front of the camshaft

Every component is machined to precise tolerances in Jesel's state-of-the-art CNC machining centers using the finest materials and coatings available. This kit is specifically designed for Big Block Chevy engines with +.400" raised camshaft positioning, providing the clearance and geometry required for high-lift racing camshafts. Superior to both chain and gear drive systems, the Jesel belt drive eliminates timing failures while offering unmatched adjustability for precise valve timing optimization.