Page 53 - 2021-22_EngineCatalogAP

CHEVROLET SMALL BLOCK
283-400 (Cont.)
Brodix -11SPX Aluminum Cylinder Head
-11X head listed accepts angle plugs. “SP” signifies spread exhaust port pattern. Available bare or assembled. Sold in pairs.
Part No. Description Intake Runner Comb. Chamber Valve Angle Intake Valve
Exhaust Valve
1.600"
BRO1110002 Bare -11SPX 225cc 67cc 23°
Brodix SBC Dragon Slayer Heads
The Brodix Dragon Slayer 225 cylinder head boasts a 300 CFM flow rate at .600" lift right out of the box. Features include CNC-ported, bowl-blended combustion chambers, phospho- rous-bronze valve guides, and ductile iron valve seats for unleaded fuels with competition valve job. Uses standard 23° components and intake manifolds. Sold in pairs.
2.080"
Valve Angle
23° 23° 23° 23°
Valve
Angle
BRO1320000
Exhaust Valve
1.600" 1.600" 1.600" 1.600"
Exhaust Valve
1.550"
Exhaust Valve 1.600" 1.600" 1.600" 1.600" 1.600" 1.600" 1.600" 1.600"
Part No.
BRO1320000 BRO1321000 BRO1321001 BRO1321003
Description
Dragon Slayer 225 - Bare
Assembled, 1.550" Spring, 140 lbs. Seat Pressure Assembled, 1.550" Spring, 240 lbs. Seat Pressure Assembled, 1.550" Spring, 240 lbs. Seat Pressure
Intake Comb. Plug Runner Chamber Angle
225cc 68cc Angle 225cc 68cc Angle 225cc 68cc Angle 225cc 64cc Angle
Intake Valve
2.080" 2.080" 2.080" 2.080"
Intake Valve 2.000"
Intake Valve 2.020" 2.020" 2.020" 2.020" 2.020" 2.020" 2.020" 2.020"
Chevrolet Performance Fast Burn Aluminum Cylinder Head
The Bowtie Chevrolet Fast Burn cylinder head is assembled using Chevrolet Performance blue beehive-style valve springs, seats, stainless steel valves, umbrella valve seals, bronze guides, 7° retainers, and valve locks. Sold individually.
Intake Part No. Description Runner GMP19300955 Assembled - 1.250" Beehive Springs 210cc
Dart SHP Aluminum Heads
Comb. Plug Chamber Angle
The Dart SHP is a cast from A356-T6 aluminum and designed to work with off-the-shelf components. Standard valve angle and spacing. Features include multi-angle intake seats, radiused exhaust seats, manganese-bronze valve guides, screw-in rocker arm studs,
machined 1.250" or 1.437" valve springs, and straight spark plug configuration. Sold individually.
Part No.
DRT127111 DRT127121 DRT127122 DRT127221 DRT127222 DRT127311 DRT127322 DRT127422
Description
SHP 180 - Bare Head, Aluminum
Assembled - Aluminum - 1.250" Single Spring - 120 lbs. Seat Pressure Assembled - Aluminum - 1.437" Dual Spring - 130 lbs. Seat Pressure
Assembled - Aluminum - 1.250" Single Spring - 120 lbs. Seat Pressure Assembled - Aluminum - 1.437' Dual Spring - 130 lbs. Seat Pressure SHP 200 - Bare Head, Aluminum
Assembled - Aluminum - 1.437" Dual Spring - 130 lbs. Seat Pressure Assembled - Aluminum - 1.437" Dual Spring - 130 lbs. Seat Pressure
Intake Comb. Plug Runner Chamber Angle 180cc 64cc Straight 180cc 64cc Straight 180cc 64cc Straight 180cc 72cc Straight
200cc 72cc Straight 200cc 64cc Straight 200cc 64cc Straight 200cc 72cc Straight
Valve Angle 23° 23° 23° 23° 23° 23° 23° 23°
Dart Iron Eagle S/S and Platinum Eagle Heads
Iron Eagle S/S heads feature a 23° valve angle with standard intake and Vortec-style facing, and 165cc, 170cc, or 180cc intake runner volume. Great throttle response, low to mid-range torque from idle to 5,500 RPM, 305-383 C.I.D. The Iron Eagle Platinum Heads feature a 23° valve angle and offer increased high-lift air flow for large displacement engines, mid- range to 6,500 RPM. Available in 200cc, 215cc, and 230cc intake runner volumes. Iron Eagle 227cc heads are fully CNC ported for maximum competition, 7,000+ RPM, 400+ C.I.D. All Dart Iron Eagle heads have manganese bronze guides, hard- ened exhaust seats, and multi-angle valve jobs. Assemblies include stainless steel valves, premium springs, locks, retainers, and seals. Guide plates not included for self-aligning rockers styles. Sold individually in straight and angle plug versions.
Part No.
DRT10024266 DRT10024267 DRT10021070 DRT10024360
Description
Bare Head
Bare Head
Bare Head
Bare Head (WISSOTA Spec. Head)
Intake Runner 165cc 165cc 165cc 165cc
Comb. Plug Valve Chamber Angle Angle 67cc Straight 23°
76cc Straight 23° 67cc Straight 23° 76cc Straight 23°
Intake Valve 2.020" 2.020" 1.940" 1.940"
Exhaust Valve 1.600" 1.600" 1.500" 1.500"
62cc
Angled 23°
CYLINDER HEADS
2021-22 ENGINE BUILDER CATALOG
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