Unlock the full power potential of your performance vehicle with premium internal engine components from Manley Performance, available at Straight Six Imports. For over 50 years, Manley has been the industry benchmark for high-strength, race-winning parts used by top engine builders in Drag Racing, Road Racing, and Sport Compact disciplines.

At Straight Six Imports, we stock a comprehensive range of Manley parts engineered to handle extreme boost and high RPM limits, perfect for your Subaru WRX/STI, Toyota Supra 2JZ, Mitsubishi Evo, Nissan GT-R, or high-powered Honda/Acura build.

Our Manley Performance Product Line Includes:

• Forged Pistons: Choose from the reliable Platinum Series or Extreme Duty Series forged pistons. Machined from high-strength 2618 alloy, these pistons feature optimized dome volumes, advanced skirt coatings, and tool steel wrist pins, essential for turbocharged, nitrous, and naturally aspirated engines.

• Connecting Rods: We supply Manley's legendary H-Beam and Turbo Tuff I-Beam connecting rods. Built from 4340 steel and equipped with high-grade ARP fasteners (like ARP 2000 or 625+), these rods offer unmatched strength and reliability to prevent engine failure under high stress.

• Valvetrain Components: Upgrade your cylinder head with Manley's Valves (Stainless Steel or Inconel), Valve Springs, and Titanium Retainers. These components ensure precise valve control at high RPM, protecting your engine from valve float and catastrophic failure.

Whether you're building a street/strip machine or a full race engine, trust Manley Performance and Straight Six Imports for the highest quality rotating assembly and valvetrain parts. Shop our selection to forge your block for power.