Page 153 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CYLINDER HEADS

Chevy Small Block 283-400 (Cont.)

Dart SHP Aluminum Heads
The Dart SHP is a cast from A356-T6 aluminum and designed to work with off the shelf com-
ponents. Standard valve angle and spacing. Features include multi-angle intake seats and radi-
used seats, hardened exhaust seats, manganese-bronze valve guides, screw-in rocker arm studs,
DRT127111
machined 1.250 or 1.437 valve springs, and straight spark plug configuration. Sold Individually.
Intake Comb. Plug Valve Intake Exhaust
Part No. Description Runner Chamber Angle Angle Valve Valve
DRT127111 SHP 180 - Bare - Aluminum 180cc 64cc Straight 23° 2.020" 1.600"
DRT127121 Assembled - Aluminum - 1.250" Single Spring - 120 Lbs. Seat Pressure 180cc 64cc Straight 23° 2.020" 1.600"
DRT127122 Assembled - Aluminum - 1.437" Dual Spring - 130 Lbs. Seat Pressure 180cc 64cc Straight 23° 2.020" 1.600"
DRT127211 SHP 180 - Bare - Aluminum 180cc 72cc Straight 23° 2.020" 1.600"
DRT127221 Assembled - Aluminum - 1.250" Single Spring - 120 Lbs. Seat Pressure 180cc 72cc Straight 23° 2.020" 1.600"
DRT127222 Assembled - Aluminum - 1.437' Dual Spring - 130 Lbs. Seat Pressure 200cc 72cc Straight 23° 2.020" 1.600"
DRT127311 SHP 200 - Bare - Aluminum 200cc 64cc Straight 23° 2.020" 1.600"
DRT127322 Assembled - Aluminum - 1.437" Dual Spring - 130 Lbs. Seat Pressure 200cc 64cc Straight 23° 2.020" 1.600"
DRT127411 SHP 200 - Bare - Aluminum 200cc 72cc Straight 23° 2.020" 1.600"
DRT127422 Assembled - Aluminum - 1.437" Dual Spring - 130 Lbs. Seat Pressure 200cc 72cc Straight 23° 2.020" 1.600"

Dart Iron Eagle Head
Iron Eagle head features popular OEM 23° valve angle and is available with 165cc, 180cc, 200cc,
215cc or 230cc intake runners. All have bronze wall valve guides, hardened exhaust seats, and
multi-angle valve jobs. Sold individually in straight and angle plug versions.
Intake Comb. Plug Valve Intake Exhaust
Part No. Description Runner Chamber Angle Angle Valve Valve
DRT10021070 Bare - Vortec 165cc 67cc Straight 23° 1.940" 1.500"
DRT10024360 Bare 165cc 76cc Straight 23° 1.940" 1.500"
DRT10024361 Bare 165cc 67cc Straight 23° 1.940" 1.500"
DRT10024370 Bare, Vortec Style 165cc 67cc Straight 23° 1.940" 1.500"
DRT10120010 Bare 180cc 64cc Straight 23° 2.020" 1.600"
DRT10121111 Assembled, 1.250" Single Springs, 120 Lbs. Seat Pressure 180cc 64cc Straight 23° 2.020" 1.600"
DRT10110010 Bare Iron 180cc 64cc Angle 23° 2.020" 1.600"
DRT10110010F Bare 180cc 49cc Angle 23° 2.020" 1.600"
DRT10221111 Assembled, 1.250" Single Springs, 120 Lbs. Seat Pressure 180cc 72cc Straight 23° 2.020" 1.600"
DRT10220010 Bare 200cc 72cc Straight 23° 2.020" 1.600"
DRT10311112P Assembled, 1.437" Dual Springs, 130 Lbs. Seat Pressure 200cc 64cc Angle 23° 2.020" 1.600"
DRT10321112P Platinum, Assembled, 1.437" Dual Springs, 130 Lbs. Seat Pressure 200cc 64cc Straight 23° 2.020" 1.600"
DRT10511122P Platinum, Assembled, 1.437" Dual Springs, 130 Lbs. Seat Pressure 200cc 64cc Angle 23° 2.020" 1.600"
DRT10310010PF Bare 200cc 49cc Angle 23° 2.020" 1.600"
DRT10310010P Bare 200cc 64cc Angle 23° 2.020" 1.600"
DRT10320010P Bare 200cc 64cc Straight 23° 2.020" 1.600"
DRT10321111P Assembled, 1.250" Single Springs, 120 Lbs. Seat Pressure 200cc 64cc Straight 23° 2.020" 1.600"
DRT10420010P Bare 200cc 72cc Straight 23° 2.020" 1.600"
DRT10510020P Bare 215cc 64cc Angle 23° 2.050" 1.600"
DRT10510020PF Bare 215cc 49cc Angle 23° 2.050" 1.600"
DRT10520020P Bare 215cc 64cc Straight 23° 2.050" 1.600"
DRT10521122P Assembled, 1.437" Dual Springs, 130 Lbs. Seat Pressure 215cc 64cc Straight 23° 2.050" 1.600"
DRT10511123P Assembled, 1.550" Dual Springs, 215 Lbs. Seat Pressure 215cc 64cc Angle 23° 2.050" 1.600"
DRT10620020P Bare 215cc 72cc Straight 23° 2.050" 1.600"
DRT10970040 Bare - CNC Ported 227cc 72cc Angle 23° 2.080" 1.600"
DRT10971143 CNC Ported - Assembled, 1.550" Dual Springs, 135 Lbs. Set Pressure 227cc 72cc Angle 23° 2.080" 1.600"
DRT10710040P Bare 230cc 64cc Angle 23° 2.080" 1.600"
DRT10710040PF Bare 230cc 49cc Angle 23° 2.080" 1.600"
DRT10720040P Bare 230cc 64cc Straight 23° 2.080" 1.600"

Dart Iron Eagle S/S Heads
Dart Iron Eagle S/S cylinder heads are the perfect way to squeeze a little bit more performance out
of a street engine. High density cast iron, 165cc intake ports, and heart-shaped combustion cham-
bers designed to produce more airflow without the expense of porting. Great throttle response and
gains in low-to-midrange torque. Standard Intake face with self-aligning rockers.
Intake Comb. Plug Valve Intake Exhaust
Part No. Description Runner Chamber Angle Angle Valve Valve
DRT10024266 Bare 165cc 67cc Straight 23° 2.020" 1.600"
DRT10024267 Bare 165cc 76cc Straight 23° 2.020" 1.600"
152 2018 ENGINE BUILDER CATALOG