Standard Main Jet #67 HO122-67 Sandwich Plates these 15° LS3 Rectangle Port

these 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4

Features Forged 6061 T-6 Center for strength and lightweight Spun Aluminum Rim for superior Strength and trueness Accepts Mag Shank or 5/8” race studs Recessed Bolt Pad for additional weight savings SFI Certification Choose from Black Hard Coat Anodized & Machined Finish or Polished & Machined Finish

This is economical and saves time but performance wise is lacking compared to point milling

billet mounting collar with standard 3-bolt mounting pattern and hardware Note: Electric Priming Kit available - P/N 17301

Ignition Lead Loom Ball Milled - PolishedSuit SB-BB Chev & Ford Engines Up To 9mm Leads (Pair)

Standard Main Jet #67 HO122-67 Sandwich Plates these 15° LS3 Rectangle PortStandard Main Jet #671 4 32" Thread, . 0663" Hole Size (Pair) HO122 67 122 67 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number.