Chevy Cylinder Heads
CHI has a small block Chevy cylinder head to suit virtually any application from a 23 degree street cruiser to a 13 degree 410 sprint car or a blown small block outlaw drag car. All our Chevy cylinder heads are made from 6061-T6 alloy right here in Australia to CHI’s exacting standards and quality control. Our range covers 23’, 23’ raised intake, 18’, 15’ and 13’ small block Chevrolet engines.
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LS Series Cylinder Heads
Please phone or email us for prices and ordering.
By combining our own cylinder head knowledge and experience, extensive computer simulations, many hours of flow bench testing, consultation with race teams and engine building specialists, CHI have developed a number of CNC porting programs for the LS series of cylinder heads.
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Small Block Chevy 13 Degree
CHI small block Chevy 13 degree heads are the ultimate in wedge style Chevy performance. These fully CNC ported heads are designed for serious circle track or drag racers who want maximum performance. The CHI 13 degree head features extra tall intake ports, revised spark plug location, and a highly efficient combustion chamber significantly increasing horsepower potential and suit power applications well over 800HP.
The price listed is for a pair of heads.
$3,818.82–$7,778.24 Select options -
Small Block Chevy 15 Degree
A 226cc or 254cc as cast port or CNC ported option intake are designed for circle track or drag racers who want to benefit from huge horsepower increases over traditional performance chevy heads. The CHI 18 degree head features repositioned valves, moving them closer to the bore centreline significantly increasing potential flow to suit power well over 700HP.
The price listed is for a pair of heads.
$2,499.92–$5,402.80 Select options -
Small Block Chevy 18 Degree
CHI CNC ported 18′ degree heads have been developed in conjunction with top US head porter Phil Martin, capitalizing on Phils 20+ years of top tier cup and dirt track experience has created high end range of heads at an affordable price, for circle track or drag racers who want to benefit from huge horsepower increases over traditional performance chevy heads. The CHI 18 degree head features re positioned valves, moving them closer to the bore centreline significantly increasing potential flow to suit power well over 700HP.
The price listed is for a pair of heads.
$2,499.92–$5,402.80 Select options -
Small Block Chevy 23 Degree
New for 2012 is the CHI range of Chevy heads, our 23 degree Small Block head is a 215cc intake head designed for circle track or drag racers who want to benefit from significant horsepower increases and less weight of traditional performance chevy heads. The CHI 23 degree head features 40/60 valve spacing significantly increasing potential flow.
The price listed is for a pair of heads.
$2,098.25–$5,001.14 Select options -
Small Block Chevy 23 Degree Raised Inlet
The CHI raised inlet aluminium 23 degree head was designed for racers looking for more power without the added cost of building a new motor.
The CHI RI head uses the same components as a standard 23 degree head (pistons, rockers, inlet and exhaust manifolds). But because inlet ports have been raised .200″ much higher flow figures can be achieved. The RI Head also takes advantage of the higher flowing 40/60 valve spacing. Suitable on engines 330 – 430 cu inch. CHI heads can be supplied CNC ported in a number of port sizes to suit your application.
The price listed is for a pair of heads.
$2,098.25–$5,001.14 Select options