CYLINDER HEADS
Ford Small Block 289-351W AFR CNC Renegade Aluminum Cylinder Heads
The Renegade A356 aluminum heads feature 100% CNC-ported combustion chambers, ported intake and exhaust ports, and a 5-angle competition valve job. Fitted with bronze valve guides and ductile valve seats for compatibility with unleaded fuel. Available assem- bled. Sold in pairs.
Intake Runner 165cc 165cc 185cc 185cc 185cc 185cc 205cc 205cc 220cc 220cc
Comb. Chamber
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
AFR1399 AFR1402 AFR1420 AFR1387 AFR1388 AFR1422 AFR1450 † AFR1458 † AFR1451 † AFR1456 †
Renegade Street/Strip Heads, Assembled, CNC Street-Ported Renegade Street Heads, Assembled, Emissions-Legal, CNC Street-Ported Renegade Street Heads, Assembled, CNC-Ported, Shaft-Mounted Rockers Renegade Street/Strip Heads, Assembled, CNC Street-Ported Renegade Street/Strip Heads, Assembled, CNC Street-Ported Renegade Street Heads, Assembled, Emissions-Legal, CNC Street-Ported
58cc 58cc 58cc 72cc 58cc 58cc 58cc 72cc 58cc 72cc
20° 20° 20° 20° 20° 20°
1.900" 1.600" 1.900" 1.600" 2.020" 1.600" 2.020" 1.600" 2.020" 1.600" 2.020" 1.600"
Renegade Race Heads, Assembled, CNC-Ported Renegade Race Heads, Assembled, CNC-Ported Renegade Race Heads, Assembled, CNC-Ported Renegade Race Heads, Assembled, CNC-Ported
20° 2.080" 1.600" 20° 2.080" 1.600"
20° 20°
2.100" 1.600" 2.100" 1.600"
† These heads comes with 1.550" dual valve springs.
Dart Pro-1 Aluminum Head Engineered for bolt-on horsepower, reliability and weight loss, Pro 1 heads feature high-flowing as-cast ports with profiled valve guide bosses and raised .135" exhaust ports. Fitted with bronze valve guides and ductile valve seats for compatibility with unleaded fuel. Available assembled. Sold individually.
Intake Runner 195cc 195cc
Comb. Chamber
Plug Type
Valve Angle
Intake Valve
Exhaust Valve 1.600" 1.600"
Part No.
Description Bare Head
DRT13200010
62cc 62cc
Angle Angle
20° 20°
2.020" 2.020"
Assembled, 1.437" Dual Spring, 130 lbs. Seat Pressure
DRT13211112
Dart Iron Eagle Dart Small Block Ford Iron Eagle cylinder heads are made from premium cast iron and precision CNC-machined. Features include increased intake runner and port design in 180cc or 200cc volumes, streamlined valve bosses, heart-shaped combustion chambers for improved combustion efficiency, multi-angle intake seats and radiused hardened exhaust seats, manganese-bronze valve guides, screw-in rocker arm studs, and standard bolt pattern exhaust flange. Sold individually.
Intake Runner 180cc 200cc 200cc 200cc 200cc 215cc 215cc 215cc 215cc 215cc 215cc
Comb. Chamber
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description Bare Head Bare Head
DRT13300010 DRT13400010 DRT13401112 DRT13410010 DRT13411112 DRT13500020 DRT13501122 DRT13501123 DRT13520020 DRT13521122 DRT13521123
58cc 58cc 58cc 62cc 62cc 58cc 58cc 58cc 62cc 62cc 62cc
20° 20° 20° 20° 20° 20° 20° 20° 20° 20° 20°
2.000" 1.6000" 2.020" 1.600" 2.020" 1.600" 2.020" 1.600" 2.020" 1.600" 2.050" 1.600" 2.050" 1.600" 2.050" 1.600" 2.050" 1.600" 2.050" 1.600" 2.050" 1.600"
Assembled, 1.437" Dual Spring, 130 lbs. Seat Pressure
Bare Head
Assembled, 1.437" Dual Spring, 130 lbs. Seat Pressure
Bare Head
Assembled, 1.437" Dual Spring, 130 lbs. Seat Pressure Assembled, 1.550" Dual Spring, 135 lbs. Seat Pressure
Bare Head
Assembled, 1.437" Dual Spring, 130 lbs. Seat Pressure Assembled, 1.550" Dual Spring, 135 lbs. Seat Pressure
346 2021-22 ENGINE BUILDER CATALOG
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