b16a/b18c sr20det 2jzgte ej205 4g63 srt4
b18a/b18b ka24de 2jzge ej257 4g63 EVO VIII
h22/h22a vq35de 7mgte 4g63 EVO IX
k20a/k20z tb48
k20a3/k24a
f20c/f22c
The B-series Honda DOHC engines are the most popular and well known of the Honda engines. The B18A, B18B and B20B platform is non VTEC camshaft design. First introduced in Japan back in 1986 in the Honda Accord, the B18A made it's USDM debut in 1990 as the B18A1 found in the Acura Integra RS/LS/GS and remained until 1994 when Honda/Acura released the B18B1 for the 94-95 Acura Integra RS/LS. The Acura badge is only used in North America. The Honda B20B used in the CR-V chassis employs the same cylinder head and camshaft package, but has the larger 84mm bore size to increase overall displacement.

Stage Description Cam # Adv. Dur. Dur @ .050 Lift (in) Lift (mm) Kit # Dyno
Forced Induction Specification
Short duration profile builds cylinder pressure by reducing overlap, high lift for more air intake. Requires kit BC0020.
BC0021

107°
280°/280° 204°/204° .470"/.470" 11.94/11.94 BC0020
Normally Aspirated Specification
Hot street/strip or road race profile. Use with CAI, H, E, A/F modifications for optimum horsepower and torque. Requires kit BC0020.
BC0022

108°
300°/300° 222°/220° .423"/.413" 10.74/10.49 BC0020
Normally Aspirated Race
Designed for high compression, heavily modified engines. Features high lift, high duration profile for extended rpm and power. Requires kit BC0020
BC0023

108°
310°/310° 230°/228° .448"/.438" 11.38/11.12 BC0020
USDM B18A1 (’90-’93) Stock 270°/276° 186°/190° .392"/.380" 9.95/9.65
USDM B18B1 (’92-’00) Stock 274°/278° 183°/184° .393"/.380" 9.98/9.65
USDM B20B (’97-’98) Stock 278°/276° 190°/194° .397"/.382" 10.08/9.70


Rocker Ratio: 1.75:1


VALVE SPRING/RETAINER KIT
Designed for high rpm, BC valve springs are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances.
Kit # Spring # Retainer # Description
BC0020 BC1020 BC2020 Dual spring, titanium retainer
 
Spring Pressure:
BC1020 Seat: 1.400" @ 70 lbs / Open: 0.905" @ 210 lbs / Coil Bind: 0.815" (no machine work required)
Factory installed height = Intake 1.320" / Exhaust: 1.425", BC spring inst at 1.400" on intake and exhaust.
STAINLESS STEEL VALVES
BC valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight savings and increased valve control at high rpm. Standard and oversize head.
Part # Description #
BC3020 31.0mm Intake (standard head diameter)
BC3021 28.0mm Exhaust (standard head diameter)
BC3022 31.5mm Intake (+.5mm head diameter)
BC3023 28.5mm Exhaust (+.5mm head diameter)
B18A/B18B 2.2L STROKER KIT
BC 4340 forged steel crankshaft (92mm or 95mm stroke).
BC 4340 Econo or Pro Series connecting rods w/ARP 220,000 psi fasteners.
CP aluminum forged pistons (any bore size, any compression ratio).
5100 Series carbon steel alloy wrist pins. 9310 Series pin upgrade avail.
Ductile iron plasma top rings, tapered second ring, low tension oil rings.
Features aluminum buttons/rail supports (not spiral locks).
ACL Race Series rod and main bearings included.
Fully system balanced and ready to install. (50% deposit required)

Kit # Crank # Rod # Piston # Bearing # Desc
BC0026 BC5020 BC6048 BC7029 BC4020 92mm B18/B20 (long rod)
BC0027 BC5019 BC6048 BC7029 BC4020 95mm B18/B20 (long rod)
BC0028 BC5019 BC6029 BC7029 BC4020 95mm w/BC625+
BC0029 BC5019 BC6019 BC7029 BC4020 95mm w/bROD
For lightweight crank (27lbs), specify "LW" after stroker kit part # (ex. BC0018LW)

Rather than piece together your bottom end with a variety of mismatched parts, order a BC stroker kit that not only increases your overall displacement for more horsepower and torque, but also delivers strength and reliability using only the highest quality parts. Lightweight crank available (7 lbs less).
Stock Specifications:
B18A/B 81mm Bore x 89mm Stroke - 8.350" Block Height
B20B/Z 84mm Bore x 89mm Stroke - 8.350" Block Height
619.825.8719 ph
619.825.9675 fx
Some products listed are not legal for sale or use on emission controlled motor vehicles,
RPM ranges vary on application. Warranty Information
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