Manley Performance Conrods TTuff I-Beam 8-Cyl Forged 4340 NHRA Legal

Manley Performance Conrods TTuff I-Beam 8-Cyl Forged 4340 — NHRA Legal Engineered for racing: The Manley TTuff I-Beam 8-cylinder connecting rods deliver race-proven strength and consistency for high-performance builds. Forged from premium 4340 steel, these rods are optimized for durability under extreme loads and RPM. Material: Forged 4340 alloy for superior fatigue resistance and toughness. Design: I-beam profile reduces weight while maintaining rigidity for faster revving and improved crank balance. NHRA Legal: Select SKUs meet NHRA legality for Stock and Super Stock classes — race-ready and compliant. Weight Options: Available in multiple weight classes to match Tour Lites, Lightweights, Standard and Heavyweight applications for precise balancing. Precision Machined: CNC-finished pin and big-end bores for accurate fitment, consistent bearing clearance and long service life. Choose Manley TTuff I-Beam rods for a proven combination of lightness, strength and regulatory compliance — ideal for competitive engines seeking reliable, repeatable performance.