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K20A / K20Z

The newest engine in the Honda tuning community. The "K Series" is Honda's mass produced version of the roller rocker valve train assembly found in the S2000. Less friction, more rpm potential, faster action cam profiles...this engine has untapped potential. First introduced in the JDM Integra Type-R in 2001, this engine put out a respectable 220HP @ 8000 rpm straight from the factory (DC5). The K20A also sees service in the JDM Civic Type-R, using the same compression and cam profiles. The first USDM production model was the K20A2 found in the 02-04 RSX-S. Other engines featuring the same head configuration include the K24A2 (TSX) that features a 9.114" deck height, the K20Z1 in the 05-06 RSX-S that includes various JDM Type-R add-ons like cams, throttle bodies, higher compression and Honda's answer to the tuning crowd, the K20Z3 found in the 2006-up Civic Si.

After years of high end race and dyno testing, BC has released a line of 8620 steel billet camshafts that deliver the ultimate in high performance. Made from aerospace grade, 8620 steel billet material and CNC ground on state-of-the-art cam grinders, these BC cams deliver the utmost in rigidity at extended rpm range while reducing possible valve float. These are the best cams money can buy and are now available for all stages…including the popular Stage 2 all motor profile.

AR8605

AR8605 - Honda K20A2/Z3 Head ARP Head Studs

Honda Honda K20A2/Z3 Head ARP Head Studs - ARP #208-4701 - 8740 Alloy Heat Treated to 200,000 p....

Honda Honda K20A2/Z3 Head ARP Head Studs - ARP #208-4701 - 8740 Alloy Heat Treated to 200,000 p.s.i.

$ 195.85 $ 225.23

AR8606

AR8606 - Honda K24 Block w/K20A Head ARP Head Studs

Honda K24 Block w/K20A Head ARP Head Studs - ARP #208-4701 - 8740 Alloy Heat Treated to 200,000 p...

Honda K24 Block w/K20A Head ARP Head Studs - ARP #208-4701 - 8740 Alloy Heat Treated to 200,000 p.s.i.

$ 195.83 $ 225.20

BC4020

BC4020 - ACL Honda B18A/B Bearing Set - OEM Sizing / BC K-Series Stroker

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Th...

ACL Race Series HX: Rods - ACL #4B1946HX (44.98-45.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Thrust - ACL #1T1957 (61.25-61.50mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

$ 237.04 $ 272,596.00

BC4025

BC4025 - ACL Honda K20A2/Z3 Bearing Set - OEM Sizing

ACL Race Series HX: Rods - ACL #4B1972HX (47.98-48.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Th...

ACL Race Series HX: Rods - ACL #4B1972HX (47.98-48.00mm) Mains - ACL #5M1959HX (54.98-55.00mm) Thrust - ACL #1T1957 (61.25-61.50mm) The unique combination of design, metallurgy and engineering come together to deliver what drivers expect from high performance Trimetal engine bearings. Designed to withstand higher RPM conditions, ACL Race Series Engine Bearings are available for many of the popular 4, 6 & 8 cylinder applications.

$ 237.04 $ 272,596.00