K Series K24A

92mm stroke, 47.95mm crank pin, 55mm main - 4340 billet

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, heat ...

Brian Crower Valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight sa...

Brian Crower Spring and Retainers Valvesprings Designed for high rpm, Brian Crower valve springs are wound from only the highest grade, super clea...

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for u...

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for u...

4340 billet with B18A rod journal. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for u...

Honda/Acura K24A - ProH2K (formerly Sportsman) w/ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting ...

The ProH2K (formerly Sportsman) incorporates every feature of the premier ProH625+ connecting rod...same material, same CNC programming, same pin ...

BC steel spring seats are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. Spring # BC1040-1 O.D. 1.102" Ste...

BC steel retainers are CNC machined from hardened 4140 round bar chromoly steel to exacting tolerances. BC recommends using steel retainers for all...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

BC titanium retainers are CNC machined from 6AL4V round bar titanium to exacting tolerances. BC recommends using titanium retainers on dual springs...

Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprie...

The Circuit Hero Bolt-in K Series Oil Pan Baffle is a unique product that easily installs between the OEM Windage Tray and Oil Pan Floor. The baffl...

This Circuit Hero product helps eliminate unnecessary parts for a K-series race engine build. This billet coolant plug eliminates the coolant pipe ...

The Circuit Hero lower timing chain guide provides two functions (1) replaces the oem lower chain guide and (2) also prevents timing chain slippage...

The Circuit Hero spark plug covers have a "race inspired" look and are made from aluminum with dimple die cut-outs for maximum weight loss.Features...

 Modern lightweight engines are producing more horsepower, higher cylinder pressure, clamp load and extreme temperatures. Cometic is committed to p...

The Competition Clutch Stage 2 - Street Series 2100 Clutch Kit provides approximately 80% increase in torque capacity and is properly suited for ag...

The Competition Clutch 1500 Series Stage 1.5 Clutch Kit is an economical solution for moderately modified cars or those who drive aggressively in t...

The Competition Clutch Stage 2 Clutch Kit is an ideally suited for aggressive street use and moderate motorsport/competition use. Suitable for low ...

The Competition Clutch Stage 3 Clutch Kit is ideally suited for higher horsepower street and competition vehicles up to around 400HP where street d...

The Competition Clutch Stage 4 Clutch Kit is ideally suited for higher horsepower street and competition vehicles up to around 500HP.  The sprung c...

Competition Clutch Stock/OEM Replacement clutch kits are not intended for race us and designed to handle stock and very simply modified cars. OEM E...

The Competition Clutch Twin Disc provides the most economical racing clutch for the active sport compact enthusiast. This ceramic twin disc comes w...

Competition Clutch flywheels are made of 4140 forged steel and are a one-piece design. This helps significantly in reducing the chances of ring gea...

Private Label MFG Power Driven K-Series CL7/9 4-2-1 header features a true step-up exhaust header which is designed and engineered for maximum flow...

The Cusco Type RS LSD had proved to be capable of competition use in the All Japan Gymkhana Championship without overhauling a single time during t...

Darton Mid Sleeves - K Series  If you are building a competition NA or forced induction motor, or want to achieve over 400WHP reliably in boosted a...

ELITE PRO SERIES: Drag Cartel Industries has brought there ELITE Pro Series line to market targeted towards the Motorsports community. Elite Series...

After years of high end race and DYNO testing DC has released a line of 8620 steel billet camshafts that deliver the ultimate in high performance. ...

ELITE PRO SERIES: Drag Cartel Industries has brought there ELITE Pro Series line to market targeted towards the Motorsports community. Elite Series...

ELITE PRO SERIES: Drag Cartel Industries has brought there ELITE Pro Series line to market targeted towards the Motorsports community. Elite Series...

K Series AWD Billet Transmission Inner Housing Replacement Designed For Added Strength In A Race Performance Platform.   Manufactured From Aerospac...

Aftermarket 8620 Billet AWD transfer cover that delivers the ultimate in high performance. Made from aerospace grade billet material and CNC machin...

Constructed of Billet Aluminum vs the stock plastic, eliminates timing variation under high RPM and load. Reduces flex for rock-solid timing and ...

Constructed of Billet Aluminum vs the stock plastic, eliminates timing variation under high RPM and load. Reduces flex for rock-solid timing and ...

K-Series Billet Aluminum Timing Chain Cover. Manufactured from USA-Grade, 6061-T6 billet aluminum, K-Series 2 Piece Billet Timing Chain Cover Featu...