Page 2 of Cylinder Heads 2009 by Performance Automotive Warehouse

performance automotive warehouse 818 678-3000 pawengineparts.com assembled cylinder head specials pro torker cast iron 1.94/1.50 cylinder heads paw/rhs high performance small block chevy 1.94/1.50 ssi stainless steel valve cylinder heads fully assembled by paw · your choice of 67cc or 76cc combustion chamber cylinder heads · clean cast technologytm delivers enhanced airflow performance · all heads come with screw-in rocker studs · machined valve cover rails eliminate leak · straight spark plug location · guide plates optional technical specifications · paw pro torker heads accept both perimeter and center-bolt valve covers as well as early performance valve springs new 7° chrome moly retainers and keepers guide plates optional recommended installation items head gaskets fel-pro #1003 265-350 or equivalent pushrods oem can be used hardened not required spark plugs accepts 14mm-5/8 .460 reach tapered seat accel 274 or 276 ac-delco 43ts or 44ts intake gasket fel-pro #1204 or #1256 or equivalent exhaust gasket fel-pro #1404 or #1405 or equivalent new rhs pro torker castings new close tolerance casting material premium grade cast iron for consistent casting quality and increased resistance to cracking valve seats integral intake and exhaust valve size 1.940 x 1.500 or 2.02 x 1.600 rocker arm studs 3/8 shank screw-in style with hex shoulder accessory flange stock locations 6-bolt pattern only included in assembly ssi stainless steel valves performance valve seals application sb chevy model new rhstm pro torker cast iron cylinder heads application hydraulic cam hydraulic cam upgrade option ­ opt 72 ­ for optional guide plates machining ­ $75 additional per pair upgrade option ­ opt 400 ­ machine heads for steam holes ­ $40 additional per pair upgrade option ­ opt 42 ­ double valve springs upgrade required for solid lifter camshaft large hydraulic camshaft hydarulic roller camshaft chrome moly retainers pc seals ­ $125 additional per pair amust drill steam holes in heads if using sbc 400 block not for use on 305 engines material cast iron cast iron 1986-earlier 327 350 400 a sb torker chevrolet stock replacements stainless valve 1.94 x1.50 x11/32 1.94 x1.50 x11/32 spring specs 1.250 single 100 seat 1.250 single 100 seat max lift .560 .560 chamber 76cc 67cc intake port 170cc chamber 76cc or 67cc valves use 1.940 x1.500 stock replacement fine with mildly modified engine excellent for tow application best from idle through 5,800 rpm part no chs-12400-1 chs-12402-1 price/ea $406.95 $406.95 pro torker cast iron 2.02/1.60 cylinder heads paw/rhs high performance small block chevy 2.02/1.60 ssi stainless steel valve cylinder heads fully assembled by paw an improved replacement for the factory chevrolet 327-350-400 a cylinder heads pro torker series features 170cc intake runners and can provide up to a 30 hp increase over most oem castings note however that these heads are accepted by many racing associations as stock they are designed to use 2.020 and 1.600 stainless valves and work well in engines from 302 to 400 c.i.d guide plates are not included double valve springs hydraulic roller valve springs available as an option application model intake port chamber valves use sb chevy new rhstm pro torker 170cc 76cc or 67cc 2.020 x1.600 street performance e.t brackets and oval track legal replacement in cast iron cylinder heads many series best to 350 c.i.d from idle through 6,000 rpm application hydraulic cam hydraulic cam 1986-earlier 327 350 400 a small block chevrolet pro torker material stainless valve spring specs max lift chamber part no cast iron cast iron 2.02 x1.600 x11/32 2.02 x1.600 x11/32 1.250 single 100 seat 1.250 single 100 seat .560 .560 76cc 67cc price/ea $419.95 $419.95 upgrade option ­ opt 72 ­ for optional guide plates machining ­ $75 additional per pair upgrade option ­ opt 400 ­ machine heads for steam holes ­ $40 additional per pair upgrade option ­ opt 42 ­ double valve springs upgrade required for solid lifter camshaft large hydraulic camshaft hydarulic roller camshaft chrome moly retainers pc seals ­ $125 additional per pair amust drill steam holes in heads if using sbc 400 block not for use on 305 engines chs-12401-1 chs-12403-1 88 cylinder heads paw now carries a full line of racing head service performance cylinder heads a 180 200 220 and a 235 cc intake runners with either 64 67 or 76 cc cylinder heads available straight or angle plug options also available phone for price.

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