-40%
GM Performance Parts 12691728 Cast Iron Vortec Cylinder Head Assembly
GM Performance Parts 12691728 Cast Iron Vortec Cylinder Head Assembly
GM Performance Parts 12691728 Cast Iron Vortec Cylinder Head Assembly

GM Performance Parts 12691728 Cast Iron Vortec Cylinder Head Assembly

$ 395.03

  • Brand: GM Performance Parts
  • Interchange Part Number: GMP_12691728
  • Manufacturer Part Number: 12691728
  • Manufacturer Warranty: Unspecified Length
  • Material: Cast Iron
  • Type: Cylinder Head Assembly
  • UPC: Does Not Apply
  • gtin13: Does Not Apply

Description

Fitment and Product Information: Cast Iron Vortec Cylinder Head Assembly Brandname: GM Performance Parts Part Number: 12691728 Description: An easy way to gain 20-40 horsepower on any 1955-and-newer Small-Block Chevrolet V-8 (except later-style LT1/LT4 engines with reverse-flow cooling) is by installing a set of Vortec cylinder heads. These value-priced cast-iron cylinder heads use modified combustion chambers and high velocity port technology to provide improved performance. Vortec cylinder heads significantly outflow non-Vortec service replacement cylinder heads and earlier ORG.MFR cast-iron heads. These cylinder heads are ideal for applications up to 350 horsepower, but they require Vortec-specific intake manifolds. Product Details: Confirming Important Info: Cylinder Head, Assembled, 1.940 / 1.500 in Valves, 170 cc Intake, 64 cc Chamber, 1.280 in Springs, Straight Plug, Iron, Small Block Chevy, Each Assembled/Bare: Assembled Chamber Volume: 64 cc Plug Angle: Straight Intake Runner Volume: 170 cc Intake Port Shape: Rectangle Intake Port Location: Stock Exhaust Port Shape: Rectangular Exhaust Port Location: Stock Intake Valve Size: 1.940 in Intake Valve Included: Yes Exhaust Valve Size: 1.500 in Exhaust Valve Included: Yes Valve Spring Included: Yes Intended Camshaft Style: Hydraulic Flat Tappet | Hydraulic Roller Maximum Lift: 0.475 in Valve Spring Number: Dual Valve Spring Damper: Yes Valve Spring Retainers Included: Yes Valve Spring Retainer Material: Steel Valve Locks Included: Yes Valve Lock Angle: 10 Degree Valve Seal Included: Yes Valve Seal Style: Positive Stop Rocker Studs Included: Yes Valve Guide Included: Yes Valve Guide Material: Manganese Bronze Center Mount Valve Cover: Yes Valve Seat Included: Yes Valve Seat Finish: Machined Combustion Chamber Finish: As Cast Intake Runner Finish: As Cast Exhaust Runner Finish: As Cast Accessory Bolt Holes: Drilled and Tapped Material: Cast Iron Color: Natural Finish: Natural Quantity: Each The Wundercarparts 90 Day Warranty: Wundercarparts offers a 90 day warranty against manufacturer defects on all items we sell! Additionally, most new items come with a seperate manufacturer warranty. Please message us through eBay for further information on manufacturer warranty, or to start a warranty claim. WARNING : This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov