CYLINDER HEADS
RHS Pro Action ™ 24° Aluminum Head RHS Pro Action 24° Rectangular Port Aluminum Head are designed for street/strip, drag racing, marine, and pulling truck applications. Capable of making up to 1000 hp, the RHS Pro Action head features "as cast" finished quality, refined water jacket design for improved thermal conductivity, and extra-thick deck faces to allow angle milling for compression, as well as hardened intake and radiused exhaust seats for use with all fuels. Sold individually.
Intake Runner 320cc
Comb. Chamber
Plug Angle
Port Type
Valve Angle
Intake Valve
Exhaust Valve
Part No.
Description
RHS11011
Bare Head, 135cc Exhaust Runner
119cc Angled Rect.
24°
2.250" 1.880"
Speedmaster ™ Cylinder Heads Speedmaster Hydr-FT fully assembled aluminum cylinder heads are manufactured with a gravity die casting process which creates a much more uniform, rugged, cylinder head. Available in both rectangular and oval port versions, assembled with 1.450" diameter dual valve springs, 3-angle machined valve seats, chrome moly valve spring retainers, positive stop valve seals, and bronze valve guides. Sold in pairs.
Intake Runner 320cc 305cc
Combustion Chamber
Port Type
Intake Valve
Max Lift
Part No.
Description
Exhaust Valve
SPMPCE281.2031 SPMPCE281.2034
BBC 320cc, Assembled BBC 305cc, Assembled
119cc 119cc
Rect. Oval
2.250" 2.250"
1.880" 1.880"
0.550" 0.550"
STREET PERFORMANCE/COMPETITION VALVES
Chevrolet Big Block 396-454 Brodix Part No. Description Diameter
Length
Qty.
Exhaust Valves BROBR81038
Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, .3136" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished Stainless Steel, 11/32" Stem, Dished
1.880" 1.880" 1.850" 2.250" 2.250" 2.250" 2.300" 2.350" 2.375" 2.450"
5.394" 5.494" 5.495" 5.200" 5.218" 5.318" 5.568" 5.568" 5.610" 6.650"
1 1 1 1 1 1 1 1 1 1
BROBR81138 BROBR81185
Intake Valves BROBR70225
BROBR81040 BROBR81140 BROBR81341 BROBR81351 BROBR81375 BROBR81665
Ferrea
Part No.
Description
Dia.
Length
Qty.
5000 Series Competition Valves Exhaust Valves FERF5010-8
High-Performance, 3/8"
1.725" 1.725" 1.880" 1.880" 1.900" 2.065" 2.190" 2.190" 2.250"
5.350" 5.350" 5.350" 5.425" 5.425" 5.221" 5.221" 5.300" 5.271"
8 8 8 8 8 8 8 8 8
FERF6128-8 FERF5011-8 FERF5035-8 FERF6186-8
Comp 6000, 3/8"
High-Performance, 3/8" High-Performance, 11/32"
Comp 6000, 11/32"
Intake Valves FERF5007-8
High-Performance, 3/8" High-Performance, 3/8" High Performance, 11/32"
FERF5008-8 FERF5037-8 FERF5009-8
High-Performance, 3/8" Undercut
210
2021-22 ENGINE BUILDER CATALOG
Made with FlippingBook flipbook maker