Page 160 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CYLINDER HEADS

GM LS Series (Cont.)

GM Performance LS Aluminum Heads
LT1 GM Performance LS3 CNC-Ported cylinder head flows more than 350 CFM at .600"
intake lift bench flowing 10 percent more than the stock casting. Features include high-
efficiency 68cc combustion chambers, CNC'd rectangular port 276cc intake runners, CNC
D-port 92cc exhaust ports, 2.165" stainless hollow stem intake valves, 1.59" stainless solid
exhaust valves, beehive springs, valve locks, spring retainers and valve stem seals. Fit any
LS engine with cylinder bores of 4.00" or larger. Sold Individually. GMP88958758
Part No. Description Intake Runner Comb. Chamber Valve Angle Intake Valve Exhaust Valve
GM LS3, Assembled, CNC Ported, .550" Max Lift,
GMP88958758 276cc 92cc 2.165" 1.590" 1.600"
4.00" And Larger Bore
RHS Pro-Elite/Big Port Pro-Elite LS7 CNC-Ported
Aluminum Head for LS1/LS2 Engines
RHS Pro-Elite small bore LS7 cylinder heads deliver superior airflow through raised (.220")
intake runners which fits both stock and aftermarket LS7 intake manifolds and valve train com-
ponents. Features 355-T6 aluminum, CNC-machined rectangular intake and .100" raised D-Port
exhausts and combustion chambers, .750" thick deck surface increase clamping capacity greatly
improves head gasket retention in high horsepower and boosted applications. The .0400" raised rail allows
for use with aftermarket rockers. Requires eight LS3 offset intake rockers, and eight LS1 style exhaust rock-
ers and stands Will work with standard 4-bolt OEM LS 5.7L to 6.0L (LS1/LS6/LS2/LQ4/LQ9) blocks down to 3.900" bore or
aftermarket 6-bolt RHS and GMP LSX blocks . Sold individually.
Intake Comb. Plug Valve Intake Exhaust
Part No. Description Runner Chamber Angle Angle Valve Valve
RHS54503 Pro-Elite Bare Head/Small Bore 266cc 69cc Angled 12° 2.100" 1.575"
RHS54504 Big Port Pro-Elite Bare Head/Large CID 307cc 69cc Angled 12° 2.250" 1.615"

Chevrolet “W” Engine 348-409
Edelbrock Performer RPM EDE60819
Designed for 1961-65 Chevy 348/409 big-block, cylinder heads feature OEM port locations
and valve angles for bolt-on convenience, 220cc intake and exhaust ports, improved port
design, screw-in rocker studs and hardened guide plates.
Part No. Description Intake Runner Comb. Chamber Port Type Intake Valve Exhaust Valve
EDE60819 Assembled, CNC Ported 215cc 16cc Stock 2.190" 1.720"
Assembled
EDE60815 215cc 16cc Stock 2.190" 1.720"
w/1.55" Dia. Hyd. Roller Valve Springs
Chevrolet Big Block 396-454
AFR CNC Magnum
Aluminum Cylinder Heads
AFR CNC Magnum aluminum cylinder heads feature stainless intake & exhaust valves, 10 degree
locks and retainers and a competition 5 angle valve job. All heads are sold in pairs, completely
assembled (unless specified as bare). AFR2100-1
Va
Intake Comb. Port Valve lve Int Exhaust
Intake Exhaust ake
Part No. Description Runner Chamber Type Angle Valve Valve
Magnum Heads, Assembled, Partially CNC Ported, CNC Bowl
AFR2100-1 305cc 121cc Rect 24°/15° 2.250" 1.880"
Blends
AFR2000 Magnum Heads, Assembled. Fully CNC Ported 315cc 121cc Rect 24°/15° 2.250" 1.880"
Magnum Heads, Assembled. Partially CNC Ported, CNC Bowl
AFR2101 325cc 117cc Rect 24°/15° 2.300" 1.880"
Blends
Magnum Heads, Assembled. CNC Chambers, CNC Bowl
AFR2101-1 325cc 121cc Rect 24°/15° 2.300" 1.880"
Blends
AFR2001 Magnum Heads Assembled. Fully CNC Ported 335cc 121cc Rect 24°/15° 2.300" 1.880"
Magnum Heads, Assembled, Partially CNC Ported, CNC Bowl
AFR2110 345cc 117cc Rect 24°/15° 2.300" 1.880"
Blends
AFR2010-TI Magnum Heads, Assembled. Fully CNC Ported 357cc 121cc Rect 24°/15° 2.300" 1.880"
AFR2020-TI Magnum Heads Assembled. Fully CNC Ported 385cc 121cc Rect 24°/15° 2.350" 1.880"
2018 ENGINE BUILDER CATALOG 159