ACT 1987 Mazda RX-7 XACT Flywheel Prolite 1990-nissan-240sx-xe-esi5730535 Features Boryla's Polyphonic Harmonizer Technology

Features Boryla's Polyphonic Harmonizer Technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

Original Bilstein service parts are built to high OE quality standards

ACL Toyota 4 2977-3431cc 1986-90 Engine Crankshaft Main Bearing Set

Systems with bright chrome on T-304 stainless tips

ACT 1987 Mazda RX-7 XACT Flywheel Prolite 1990-nissan-240sx-xe-esi5730535 Features Boryla's Polyphonic Harmonizer TechnologyDramatically improved engine response and acceleration, mild to moderate gear rattle; Heat treated forging for strength and toughness, induction hardened ring gears for maximum life; One piece construction allows less opportunity for failure and provides uniform efficient heat transfer from the clutch disc. No more warped inserts or loose ring gears; Recommended for race use; Forged, CNC machined and dynamically computer balanced for smooth high RPM