Pontiac OHC Order Form
Headers
PMI’s Sigma6 header is a balanced-flow header featuring tuned length primaries, merge collectors and dyno-tuned secondary collector length. This is a true 6-into-2-into-1 header, available with standard Dual Flange or PMI’s unique Single flange mounting systems. 16 gauge tubing is standard; available in 1-5/8” and 1-3/4” primary tube diameters. (2.0” tubing is also available for forced induction applications. Contact PMI for pricing and delivery.)
Short Block Kits
Short block kits include stock compression ratio pistons, high performance ring and bearing materials, and complete gasket sets.
Short Block Kit Options
Camshaft Kits
Cam and followers are exchange, core charges will apply to unusable parts. Cam repair service is available. Please consult PMI for availability and pricing.
Valvetrain Kits
Valvetrain kits include valves, valve springs, retainers and keepers.
Valvetrain Kit 2 is recommended with "H" grind and all Stage cams.
Complete Engine Kits
Complete engine kits include a short block kit, cam kit, and valvetrain kit.
Cast Kit and Hypereutectic Kit include Valvetrain 1 Kit. Forged Kit and Forged High Compression Kit include Valvetrain 2 Kit.
Components
Customer Information