World Products Motown 220 Iron Cylinder Heads, Street Version

Description

Features the latest high tech 64cc chambers and RightCast® 220cc runners to produce a combination of excellent flow and high velocity, Designed to fit high displacement Small Block Chevy engines (383 ci and larger), Made from high density cast iron, All heads are flowed with a standard .750" intake plate, without exhaust tube, and 28" of water, Available in a bare, street, flat, or race style
World Products Motown 220 Iron Cylinder Heads, Street Version
Sku # 8241415-STRT
Mfr. Part # 8241415-STRT
Condition
New
Brand
World Products
Sold
Kit
Details
Notes
Kevin Stoa used this model of World Motown 220 heads in his 2008 Speedway Motors Super Nationals winning car!
Info
World Products Motown 220 clearly rates as the ultimate small block cast iron head. It features the latest high tech 64cc chambers 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)
Item Details
Angle Plug. Bare version is sold each. Flat, Street and Race sold as a pair.
Specs
Material: High density cast iron
Valve Seats: Intake (integral), exhaust (hardened)
Valve Guides: Integral cast iron
Spring Seats: Machined for 1.560" and 1.250"
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.080"" intake, 1.600" exhaust (11/32" stem)
Guide Plates: Stock
Rocker Arm Studs: Screw-in style
Rocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)
Intake Runner: 220cc, standard port location
Exhaust Ports: 70cc, standard location
Combustion Chamber: 64cc, straight or angled plug orientation
Spark Plug: 14mm 5/8" .460" reach tapered style. Accel 276 or 276S or equivalent
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised w/ perimeter and center bolt pattern
Valve Angle: Stock 23°
Accessory Bolt Holes: Stock Accepted by many oval tracks and sanctions. Check with rule book.
Head flow @ .700 LIFT
273 intake, 192 exhaust (Super Flow 1050)
290 intake, 210 exhaust (Super Flow 600)
All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.
Application
This Part Fits
Material: High density cast iron
Valve Seats: Intake (integral), exhaust (hardened)
Valve Guides: Integral cast iron
Spring Seats: Machined for 1.560" and 1.250"
Valves: Manley stainless steel valves in assemblies
Valve Diameter: 2.080"" intake, 1.600" exhaust (11/32" stem)
Guide Plates: Stock
Rocker Arm Studs: Screw-in style
Rocker Arms: 1.5 ratio (use of 1.6 ratio will require elongation of pushrod holes)
Intake Runner: 220cc, standard port location
Exhaust Ports: 70cc, standard location
Combustion Chamber: 64cc, straight or angled plug orientation
Spark Plug: 14mm 5/8" .460" reach tapered style. Accel 276 or 276S or equivalent
Valve Job: Multi-angle intake and radiused exhaust
Valve Cover Rail: Raised w/ perimeter and center bolt pattern
Valve Angle: Stock 23°
Accessory Bolt Holes: Stock Accepted by many oval tracks and sanctions. Check with rule book.
Head flow @ .700 LIFT
273 intake, 192 exhaust (Super Flow 1050)
290 intake, 210 exhaust (Super Flow 600)
All heads flowed with a standard .750" intake plate, without exhaust tube, and 28" of water.
Specs
Sold in Quantity
Pair
Finish
Natural
Cylinder Head Style
Assembled
Spark Plug Style
Angle
Material Type
Cast Iron
Combustion Chamber Volume
64cc
Intake Valve Diameter
2.080
Exhaust Valve Diameter
1.600
Intake Runner Volume Range
220cc - 229cc
Combustion Chamber Volume Range
60cc - 69cc
Intake Runner Volume
220cc
Reviews
motown 220 head
Rated
by chevyjohnson on February 24, 2015
Summary:
These are some great heads... I would suggest buying these for your motors
Pros:
everything about them
Yes, I recommend this product.
good for short track
Rated
by powder#65 on June 23, 2011
Summary:
its great price and holds up to the abuse of racing
Pros:
Durable
Easy To Install
Increases Power
Yes, I recommend this product.
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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