Pontiac CNC 72cc Ram Air IV Pair of Aluminum Heads Complete for Hyd Roller Cam

Description: Get Your Pontiac Out of the Garage and Back on the Road with These Modern Performance Cylinder Heads from PontiacSpeedShop.com & Speedmaster! RAIV style ROUND EXHAUST PORT Headers or Manifolds Required Other Shops Sell Ported 240CFM Iron Heads for way more than $1975. Save Some Weight, Money And Gain 49CFM. Our Heads Flow 289CFM As Cast! Priced to get you Cruising instead of Dreaming at Only $1975 A Pair! Fast Burn Fully CNC Machined 72cc Chambers! Complete as Assembled by Speedmaster. Set Up for Hyd Roller Cam with Springs, Retainers & Locks good for up to .750 lift! Stainless Swirl Polished 2.11/1.66 Valves with Undercut Stems! Clearanced for 1.65 Rockers! We'll also include a full set of Guide Plates FREE!Sold by the Pair. FREE Shipping in the U.S. 48 Save Your Factory Cast Iron Heads Because They're Never Going To Make Them Again. These Weigh a Lot Less & Flow a Lot More! Quantities May Vary As We Sell These Daily At Our Shop In Brownsburg IN. We have sold more of these heads than anyone with amazing, affordable results! We Want To Be Your Pontiac Speed Shop too! Valve Lift Intake Exhaust .100 76 72 .200 147 124 .300 213 156 .400 258 177 .500 269 195 .600 289 202CFM on Superflo SF600 @ 28" Part Number:PCE281.2165Part Type:Cylinder HeadsCylinder Head Style:BareCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):72 ccCNC-Machined Combustion Chamber:YESIntake Runner Volume (cc):215ccExhaust Runner Volume (cc):175ccCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:Ram Air IVIntake Port Location:StandardExhaust Port Shape:Ram Air IVExhaust Port Location:StandardSpark Plug Style:Standard Comp. Valve Job:YESIntake Valves Included:YESIntake Valve Diameter (in):2.11 in.Exhaust Valves Included:YESExhaust Valve Diameter (in):1.660 in.Valve Springs Included:YESDamper Spring Included:YESRetainers Included:YESLocks Included:YESValve Stem Seals Included:YESRocker Arm Studs Included:NoRocker Arms Included:NoRocker Arm Nuts Included:NoGuideplates Included:YESValve Cover Mounting Style:Perimeter BoltAccessory Bolt Holes Drilled:YesIntake Valve Angle:14 deg.Exhaust Valve Angle:14 deg.Valve Guides Included:YesValve Guide Material:BronzeValve Seats Machined:YESValve Seat Machine Style:N/AValve Seat Material:Ductile ironSteam Holes Drilled:NoOiling Style:Through pushrodMachined for O-Ring:NoHeat Crossover:NoQuantity:Sold in pairs. HEAD GASKETSThe head gasket we recommend for our Pontiac heads is Felpro #10171. (4.540 Bore) or Fel Pro#1016 (4.300 Bore) INTAKE GASKETSOur heads are manufactured with the Ram Air IV pattern which requires Felpro #1233 gaskets. PUSH RODSPlease measure for exact pushrod length once heads and rockers are fully installed. Deck machining, head gasket thickness and rocker arm style will all affect pushrod height.SPARK PLUGSAll Speedmaster Pontiac heads use standard 14mm. x 750" reach, 5/8 hex, gasket seat sparkplugs like NGK R5671A-7, Autolite 3924, Champion RC12YC, etc. Remember that higher compression/ boost require a colder heat range sparkplug.HEAD BOLTS / STUDSOur Pontiac heads utilize standard Ram Air Iv head bolts or studs.The ARP head bolt part number is 190-3605.EXHAUST GASKETSWe recommend the use of Edelbrock exhaust gaskets #7281 or any comparable item of your choice.

Price: 1975 USD

Location: Brownsburg, Indiana

End Time: 2024-10-22T14:54:56.000Z

Shipping Cost: 0 USD