{"product_id":"proflow-cylinder-heads-supermax-225-bare-aluminium-sb-ford-302-351-cleveland-3v-73cc-chamber-225cc-intake-runner-630hp-out-of-box-pair-pfeahf21573-3v-bare","title":"Proflow Cylinder Heads SuperMax 225, Bare, Aluminium, Ford 302-351 Cleveland, 3V, 73cc Chamber, 225cc Intake Runner, 630HP Out of Box, Pair - PFEAHF21573-3V-BARE","description":"\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: PFEAHF21573-3V-BARE\u003c\/p\u003e\u003cp\u003e\u003csection class=\"productdetails n-responsive-content\" aria-label=\"Product Description\"\u003e\n    \u003cp\u003e\u003cstrong\u003eProflow Cylinder Heads, SuperMax 225, SB Ford 302, 351C, Bare\u003c\/strong\u003e\u003c\/p\u003e\n    \u003cp\u003eProflow does not sacrifice quality for a low price—you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of Engine, for SB \u0026amp; BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302,351 Cleveland 2V \u0026amp; 3V \u0026amp; BB FE, and Chrysler SB \u0026amp; BB, phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, High Performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod.\u003c\/p\u003e\n    \u003cp\u003eNote: Additional clearancing may be required if using hyraulic roller camshaft.\u003c\/p\u003e\n\n    \u003cdiv style=\"overflow-x:auto;\"\u003e\n        \u003ctable align=\"center\" border=\"0\" cellpadding=\"5\" cellspacing=\"1\" style=\"margin:auto;width:500px;\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd colspan=\"2\" style=\"text-align: center;\"\u003e\n                        \u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e356 Alloy, T6\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eChamber Volume:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e72cc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eComplete Assembly options available in all chamber sizes\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Runner Volume:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e231CC\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Port location:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eraised.125” 3V design\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eMinimum Cross Section:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e2.53 square inches MCSA\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eExhaust Runner Volume:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e125cc - high velocity\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eExhaust Port Location:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eRaised.080” (near stock location)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve sizes:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eIntake 2.10” (45 degree seat, custom 5 angles) Exhaust 1.650” (45 degree seat )\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Guide Angles:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eCanted Valve angles Intake 10 x 4 degrees Exhaust: 9.5 x 3.0 degrees\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Guides:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eManganese Bronze.502” x 11\/32” stems\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Seat Inserts:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eIntake: 2.250” x 1.880 x 3\/8 (Durabond 7000) Exhaust: 1.680” x 1.430” x 3\/8\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eSpark Plugs:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003erelocated for efficient fast burn ¾ reach, 5\/8 hex, washer seat (NGKBCP7ES)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eSpring Pads:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.570” od\/.560” id\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Spring Height:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.960” (with stock length valve)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003ePushrods:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e5\/16” or 3\/8” (check required length)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eRocker Arm Studs:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e7\/16” unc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eRocker Arm Type:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e7\/16” stud mounted roller rockers (1.73 ratio) or Yella Terra Planuim #6321 OR T\u0026amp;D shaft\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eExt Water Port:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eHeads have 3\/4 npt tapped hole on each end which need to be plugged if not used\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eHead Bolts:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eAccept oem length bolts or studs\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\u003c\/section\u003e\u003c\/p\u003e","brand":"Proflow","offers":[{"title":"Default Title","offer_id":46413315375331,"sku":"PFEAHF21573-3V-BARE","price":2631.3,"currency_code":"NZD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/PFEAHF21573-3V-BARE_4ed37d8e-18eb-4666-a55e-0cc450e1bd2e.jpg?v=1775533875","url":"https:\/\/fastlanespares.co.nz\/products\/proflow-cylinder-heads-supermax-225-bare-aluminium-sb-ford-302-351-cleveland-3v-73cc-chamber-225cc-intake-runner-630hp-out-of-box-pair-pfeahf21573-3v-bare","provider":"Fast Lane Spares","version":"1.0","type":"link"}