The manley turbo tuff i beam rods are rated for a higher hp then there h bean and h beam plus in a four cylinder application the horse power is rated for 1,000+ hp. An come with 3/8 arp2000 bolts the manley turbo tuff. I Beam is forged from 4340 aircraft quality vacuum degassed material. We utilize our proven “Turbo Tuff” design and add 3/8″ ARP 2000 cap screws. All rods are properly shot peened after machining and 100% magnafluxed.
These rods fits 91-99 KA24DE motors