The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. With 200cc intake and 69cc exhaust ports, World’s Sportsman II cylinder heads offer 30-70 horsepower gains over OEM cast iron heads, yet are 50-state emissions legal. Bolt on from 30 to 70 additional H.P. (Dyno Proven) Combustion chambers available in 64cc Available with either angle, or straight spark plugs 200cc intake runners Fully machined rocker cover rails Higher, wider, raised roof intake runner with improved short turn radius ...
You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides, Multi angle valve job, and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head. Heads are sold each. 180cc intake runners 62cc exhaust runners 64cc combustion chambers 2.02" and 1.60" stainless steel valves High performance springs for .550" lift Compatible with most flat tappet camshafts Multi angle valve job Bronze ...
You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides and a multi angle valve job. These are a pre-1986 design small block Chevy cylinder head. Sold each. 180cc intake runners 62cc exhaust runners 64cc combustion chambers Machined for 3/8" screw-in studs Machined for 2.02"/1.60" valves Ready for assembly
These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job. Standard port 23° head Accepts standard Chevy rocker arms and valve train components Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 200cc recommended for 327-350 c.i. up to 400+ HP 220cc recommended for 383-400+ ...
Dart's highly popular small-block Pro1 heads are loaded with features, which is why they are among the best 23° aluminum heads on the market. Highly efficient chambers feature excellent fuel distribution while the five-angle intake seats shear the liquid fuel and air as it enters the chamber. Spark plugs are located high and and as close to the center of the chamber as possible for a complete burn. The 180cc and 75cc ports feed 2.02" intake and 1.60" exhaust valves using 1.25" diameter springs that can handle up to .520" lift. For gaskets use ...
The industry’s most popular true high performance cast iron cylinder head has been continuously improved since its introduction over 20 years ago. With 200cc intake and 69cc exhaust ports, World’s Sportsman II heads offer 30-70 horsepower gains over OEM heads, yet are 50-state emissions legal. Bolt on from 30 to 70 additional H.P. (Dyno Proven) Combustion chambers available in 64cc Available with either angle, or straight spark plugs 200cc intake runners Fully machined rocker cover rails Higher, wider, raised roof intake runner with improved short turn radius 50-State Emissions legal ...
195cc intake runners 75cc exhaust runners 2.02” and 1.60” stainless steel valves Ultra street performance 1.437” springs for up to .575” lift 115-125 lb seat pressure 3⁄8”screw in studs and guideplates Great for hydraulic roller or large flat tappet street cams Straight plug 64cc combustion chamber 3-angle valve job Manganese bronze guides Same head as featured on our exclusive BluePrint 383 Roller
You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides and a multi angle valve job . These are a pre-1986 design small block Chevy cylinder head. Sold each. 180cc intake runners 62cc exhaust runners 64cc combustion chambers Machined for 3/8" screw-in studs Machined for 2.02"/1.60" valves Ready for assembly
You don't need to spend a fortune to get a set of top-performing, lightweight aluminum cylinder heads for your small-block Ford V8. These Flo-Tek heads have a long list of high-end features, minus the hefty price tag. Sold as complete assemblies only. 180cc intake runners 62cc exhaust runners 1.94" intake and 1.54" swirl-polished exhaust valves 58cc chambers Performance valve springs (.550 lift) 115 lbs. spring seat pressure Compatible with most flat tappet camshafts Hardened locks and retainers PC seals High-temp exhaust seats Multi angle valve job Bronze guides 3/8" rocker ...
This head is engraved and serial numbered by Engine Quest for IMCA's Sport Mods, Stock Cars, and Hobby Stocks. Now approved for WISSOTA Midwest Mods and Street Stocks. Assembled heads will include the following: 3/8" screw in studs # 915-99156 76 cc combustion chamber 167 cc intake runners Straight plug 1.94/1.50 intake/exhaust valves #910-14140-1 & 910-14145-1 Available bare or assembled and blue printed Heavy duty valves Retainers and locks # 915-39741 & 577-555 1.25" high-performance valve springs # 180-671515 Three angle valve job
More performance and less expensive than rebuilding used heads. No more searching junkyards looking for cylinder heads for your motor.Looks like the smog head on the outside, but has racing head features like an extra-thick deck, screw-in rocker arm studs, and raised valve cover rails. Large intake & exhaust runners like double hump head Extra-thick decks and walls for improved reliability Hardened steel exhaust seats for unleaded gasoline Machined for 3/8" screw in studs (included) Raised valve cover rails to eliminate oil leaks Accepts early style perimeter or late model ...
When it comes to high performance replacements for factory cast iron heads World’s WINDSOR JR. has the market covered with 180cc intake runners plus the 64cc exhausts ports are substantially larger than OEM Ford heads. Add a highly efficient combustion chamber design and larger valves and you have big bolt-on power. These heads are also 50-State emissions legal factory replacements.The WINDSOR series of heads are the cost-effective choice for serious power from your 302!Material: High density cast ironValve Seats: Intake (integral) exhaust (hardened)Valve Guides: Integral cast ironSpring ...
You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides and a multi angle valve job. These are a pre-1986 design small block Chevy cylinder head. Sold each.180cc intake runners62cc exhaust runners64cc combustion chambersMachined for 3/8" screw-in studsMachined for 2.02"/1.60" valvesReady for assembly
These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box. Available for a variety of applications. All heads feature a multi-angle Serdi valve job. Standard port 23° head Accepts standard Chevy rocker arms and valve train components Advanced port/runner/chamber design & modified water jacket for optimal performance & added reliability Multi-angle intake & radiused exhaust valve seats for up to 5% more airflow 200cc recommended for 327-350 c.i. up to 400+ HP 220cc recommended for 383-400+ c.i. up ...
You don't sacrifice quality for a low price - get both with a set of Flo-Tek aluminum cylinder heads. These Chevy aluminum heads are loaded with high end features like bronze valve guides Multi angle valve job and 3/8" screw-in rocker studs with guideplates. These are a pre-1986 design small block Chevy cylinder head.Heads are sold each.180cc intake runners62cc exhaust runners64cc combustion chambers2.02" and 1.60" stainless steel valvesHigh performance springs for .550" liftCompatible with most flat tappet camshaftsMulti angle valve jobBronze guides3/8" screw-in studs and guide plates
These heads deliver significant gains in both power and torque for all Small Block Chevy applications - right out of the box.Available for a variety of applications (see chart). All heads feature a multi-angle Serdi valve job. Standard port 23° headAccepts standard Chevy rocker arms and valve train componentsAdvanced port/runner/chamber design & modified water jacket for optimal performance & added reliabilityMulti-angle intake & radiused exhaust valve seats for up to 5% more airflow200cc recommended for 327-350 c.i. up to 400+ HP220cc recommended for 383-400+ c.i. up to 550+ ...
World Products Motown 220 clearly rates as the ultimate small block cast iron head. It features the latest high tech 64ccchambers and RightCast® 220cc runners to produce a combination of excellent flow and high velocity. With high-flow ports and standard intake valves Motown 220 heads are the ideal complement to large displacement Small Blocks (383 ci and larger). Available bare or in complete assemblies with angle plug configurations. Bare version is sold each. Flat Street and Race sold as a pair.Cylinder Head Chart (Link)