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K20A3 / K24 CAMSHAFTS
A USDM only production engine, the K20A3 and similar cylinder head configurations were developed for a performance, yet economical mindset. Although VTEC, it is only featured on the intake camshaft. The K20A3 is found in the 01-03 Civic Si while the K24A1 is in the 01-03 CR-V. The K24A4 is the most popular of them all due to the fact that was used to service the 03-up Accord as well as the 02-03 Element. Because of it's tall deck height (9.114"), the trend will be to take these blocks and use the K20A/K20Z head found in the 06-up Civic, 01-06 RSX-S for more rpm potential and added tuning ability. However there will be plenty of tuners wanting to stay true and run the original K20A3 head. |
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Stage |
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Description |
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Part# |
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Adv. Dur. |
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Dur @ .050 |
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Lift (in) |
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Lift (mm) |
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Kit# |
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Cam Card |
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Dyno |
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Shop |
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Status |
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Forced Induction/NA Street Specification
Short duration profile builds cylinder pressure by reducing overlap, high lift for more air intake. Requires kit BC0050. |
BC0051 |
284°/284° |
193°/193° |
.410"/.410" |
10.41/10.41 |
BC0050
or
BC0040 |
N/A |
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In-Stock |
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Normally Aspirated Specification
Hot street/strip or road race specification. Use with CAI, H, E, ECU, A/F mods. Excellent street manners. Requires kit BC0050. |
BC0052 |
296°/284° |
206°/193° |
.429"/.410" |
10.89/10.41 |
BC0050
or
BC0040 |
N/A |
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In-Stock |
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USDM K20A3 (Base RSX/Civic) |
Stock |
270°/276° |
181°/173° |
.372"/.383" |
9.45/9.73 |
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USDM K24A (Accord/CR-V) |
Stock |
270°/276° |
181°/173° |
.372"/.383" |
9.45/9.73 |
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| Rocker Ratio: 1.75:1 mid, 1.7:1 sec, 1.7:1 pri |
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| No valve timing events due to variable intake cam. WARNING: If running a late model cylinder head (after 2004), you may need to purchase BC2940 keepers to accommodate the BC2010 or BC2011 retainers. Honda changed the keeper groove angles, therefore your stock keepers/locks may not fit the BC retainers properly causing potential damage. |
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Ferrea Aluminum Roller Rockers
For use with BC's new line of single lobe camshafts for the Honda K Series, Ferrea aluminum roller rockers drop 50% off the weight of each rocker compared to the steel Honda OEM rocker assembly. This allows you to push the engine up to 11,000 RPM without seeing valve float. Ferrea aluminum roller rockers lower the moment of inertia by 70%, which will increase more horsepower and decrease stress on the valvetrain components. |
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Part # |
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Description |
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Buy Now |
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Status |
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| BC8900 |
Ferrea aluminum roller rockers, 1.75:1 rocker ratio (set/8) |
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In-Stock |
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619.749.9018 ph
619.749.9128 fx
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Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved. |
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HYUNDAI G4KF
