Best MSD Performance Chips

The MSD 8743 is an RPM module kit with five modules in 200 RPM increments from 3000 to 3800 RPM for MSD ignition systems. Its standout precision allows separate limits for launch and overrev protection, making it essential for racers and performance tuners.

• Precise 200 RPM increments for exact rev limit tuning
• Five modules cover 3000-3800 RPM range seamlessly
• Customizable launch RPM protects engine during starts
• Independent overrev limits safeguard against damage
• Easy swap modules for quick trackside adjustments

Versatile five-module set offers multiple RPM options. Even 200 RPM steps ensure fine-tuned control. Supports dual limits for launch and overrev scenarios.

Limited to 3000-3800 RPM range only. Requires compatible MSD ignition controller. No modules outside specified RPM increments.

The MSD 8745 5000 Series Module Kit provides Lightning Nitrous delivery in Stage 6 with a .093 orifice for even power increments. Performance racers and tuners should buy it for reliable US-made nitrous control.

• Delivers precise even increments for smooth, consistent horsepower gains
• Stage 6 .093 orifice optimizes high-flow nitrous for maximum power output
• Proudly made in USA ensuring top-tier durability and craftsmanship
• Heavy-duty construction handles extreme racing conditions effortlessly
• Compact yet robust packaging simplifies transport and storage

Exceptional even increment control for repeatable tuning. High-capacity Stage 6 design boosts serious power levels. USA manufacturing guarantees superior quality materials.

Hefty 9.46-pound weight demands sturdy handling during install. Specialized for nitrous setups, not beginner-friendly. Larger package dimensions may complicate tight storage spaces.

The MSD ASY17893 is a compact RPM module chip that limits engine speed to 6500 RPM in compatible ignition control units. Its small size and internal memory make it ideal for racers and performance builders seeking reliable rev protection.

• Protects engines with precise 6500 RPM limiting to prevent over-rev damage
• Ultra-compact 3x3x0.1-inch design fits easily into tight ignition boxes
• Featherlight 0.1-pound chip simplifies installation without added bulk
• Internal memory ensures consistent, reliable performance under high stress
• Boosts confidence for racers pushing high-rev limits safely

Pinpoint 6500 RPM accuracy safeguards performance engines. Minimalist dimensions enable seamless integration. Lightweight construction reduces overall system weight.

Fixed 6500 RPM limit may not suit higher-rev applications. Requires compatible MSD ignition control unit. Single-chip quantity limits multi-unit setups.

The MSD 87461 is a 6000 Series RPM Module Kit that sets limits from 6100 to 6900 RPM in odd increments for launch or overrev protection. Buy it if you need vehicle-specific precision for MSD ignition systems in performance vehicles.

• Customize RPM limits precisely from 6100-6900 for peak engine performance
• Protect your engine with dedicated launch and overrev settings
• Vehicle-specific design ensures perfect fit and reliable operation
• Made in USA for superior durability and quality craftsmanship
• Compact size simplifies installation in tight engine bays

Exceptional precision in RPM limiting for optimal power delivery. Vehicle-specific compatibility minimizes installation issues. US-made construction guarantees long-lasting reliability.

Limited to 6100-6900 RPM range, not suitable for all setups. Odd increments only, may require exact matching to needs. Vehicle-specific fit demands compatibility verification.