{"product_id":"proflow-cylinder-heads-supermax-360-cnc-aluminium-assembled-120cc-chamber-straight-plug-360cc-intake-runner-bb-chevrolet-pair-pfeahbb360121-cnc","title":"Proflow Cylinder Heads, SuperMax 360 CNC, Aluminium, Assembled 120cc Chamber, Straight Plug, 360cc Intake Runner, BB Chevrolet, Pair - PFEAHBB360121-CNC","description":"\u003cp\u003e\u003cb\u003ePart Number\u003c\/b\u003e: PFEAHBB360121-CNC\u003c\/p\u003e\u003cp\u003e\u003csection class=\"productdetails n-responsive-content\" aria-label=\"Product Description\"\u003e\n    \u003cp\u003e\u003cstrong\u003eProflow Cylinder Heads, SuperMax 360 CNC, Aluminium, BB Chevrolet, Assembled\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. They have 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.\u003c\/p\u003e\n    \u003cp\u003eThis BBC cylinder head is recommended for agressive street or street\/strip applications with displacements up to 540 cubic inches, operating at or below 6800 RPM. 1.625 O.D. Solid Roller, 275lbs on seat,.850 Maximum Lift.\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;\"\u003eA356.2 Aluminum\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Port Volume\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e360cc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake seat size\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e2.3\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eExhaust seat size\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.88\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Port Dimension\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e2.515\"H x 1.780\"W x 11\/32 Radius\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\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;\"\u003eStock\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eExhaust Port Volume\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e135cc\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 Dimension\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.780\"H x 2.025\" W\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\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;\"\u003e.375\" Raised\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eCombustion Chamber Size\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e121cc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Cover Bolt Pattern\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003ePerimeter Bolt\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Angle\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e24°\/4° Int, 15°\/4° Exh\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eValve Spring Pocket Diameter\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.725\" O.D\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eMax Valve Spring Pocket Machining\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e1.750\" O.D\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eDeck Thickness\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e.750\"\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eMinimum Bore Diameter\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e4.250\"\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eFlat Mill\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e.006\" per cc\/ Maximum 114cc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eAngle Mill\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e.009\" per cc\/Maximum 104cc\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eAngle mills might require a.120\" Thick intake gasket.\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 Sectional Area\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e3.435 sq. in.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eSpark Plug Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e14mm x.750\" w\/Gasket Seat\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Valve Seat Machine Style:\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e5-angle\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n\n        \u003cp\u003e \u003c\/p\u003e\n\n        \u003ctable align=\"center\" border=\"0\" cellpadding=\"5\" cellspacing=\"1\" style=\"margin:auto;width:500px;\"\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: center;\"\u003e\n                        \u003ch2\u003eFEATURES\u003c\/h2\u003e\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e11\/32\" Intake Valve, 2.300\" x5.500\" O.A.L\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e11\/32\" Tulip Exhaust Valve, 1.880\" x 5.450\" O.A.L\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eRacing Spring #1224 1.625 O.D. Solid Roller, 275lbs on seat,.850 Maximum Lift, Max RPM 7400-7600\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e10° Titanium Retainers 1.490\" O.D x 1.180\" I.D x.765\" I.D\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e10° 11\/32\" Valve Locks with lashcap recess\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eARP 7\/16\" Rocker Exhaust Studs\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eARP 7\/16\" Rocker Intake Studs\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e3\/8\" Guide Plates\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e11\/32\" Viton Valve Seals\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eHardened Spring Cup 1.740\" O.D \/ 1.650\" I.D\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eIntake Valve Seats 2.450\" O.D x 2.000\" I.D x.375\" Deep\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003eExhaust Valve Seats 2.000\" O.D x 1.580\" I.D x.375\" Deep\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e11\/32\" Intake Bronze Valve Guides.502\" O.D x 2.10\" O.A.L\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"text-align: left;\"\u003e11\/32\" Exhaust Bronze Valve Guides.502\" O.D x 2.25\" O.A.L\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n\n        \u003cp\u003e \u003c\/p\u003e\n\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\u003eRECOMMENDED COMPONENTS\u003c\/h2\u003e\n                    \u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Port Gasket\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e(.120\" Thick)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eIntake Port Gasket\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e(.060\" Thick)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eDo not port match your intake manifold to Fel-Pro gasket as it does not precisely fit the heads.\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 Gasket\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eHead Gasket\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eFel-Pro #1047 (Mark V and VI)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eHead Gasket\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eFel-Pro #1017-1 (Mark IV)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\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;\"\u003eARP 135-3703 (Mark IV)\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;\"\u003eARP 135-3707 (Mark V)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eHead Studs\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eARP 235-4713\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eHead Bolt Washers\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eManley\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eStud Girdle\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\u003e7\/16 Stud Mount Rocker Arms - 1.7 Ratio (For Optimized Geometry)\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003e\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003e1.7 Shaft Mount Rocker Arms T\u0026amp;D\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\u003eSuggested Manifold\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eVictor Jr\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eSuggested Manifold\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003eSuper Victor\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr style=\"background:#dddddd;\"\u003e\n                    \u003ctd style=\"width: 50%; text-align: right;\"\u003e\u003cstrong\u003eSpark Plug Starting Range\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd style=\"width: 50%; text-align: left;\"\u003ePump Gas 3924 \/ Race Gas 3922\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":48431306080483,"sku":"PFEAHBB360121-CNC","price":5865.3,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/PFEAHBB360121-CNC_420a6847-0b94-4b70-aefd-35989105f607.jpg?v=1775533678","url":"https:\/\/fastlanespares.co.nz\/products\/proflow-cylinder-heads-supermax-360-cnc-aluminium-assembled-120cc-chamber-straight-plug-360cc-intake-runner-bb-chevrolet-pair-pfeahbb360121-cnc","provider":"Fast Lane Spares","version":"1.0","type":"link"}