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Yamaha YXZ


AR8695

AR8695 - Yamaha YXZ/Sidewinder / Textron XX (16-up) ARP2000 Head Stud Kit

Made from ARP2000 material and rated to 220,000 psi, ARP cylinder head studs not only offer super...

Made from ARP2000 material and rated to 220,000 psi, ARP cylinder head studs not only offer superior clamp loads over cylinder head bolts, they provide proper alignment of the head and gasket with more accurate and consistent torque loading. Bolts will actually twist while torquing to proper spec, greatly reducing their ability to hold true.

$ 140.89 $ 166.25


AR8696

AR8696 - Yamaha YXZ/Sidewinder (16-up) ARP CustomAge625+ Head Stud Kit

Made from ARP625+ Custom Age material and rated to 280,000 psi, ARP cylinder head studs not only ...

Made from ARP625+ Custom Age material and rated to 280,000 psi, ARP cylinder head studs not only offer superior clamp loads over cylinder head bolts, they provide proper alignment of the head and gasket with more accurate and consistent torque loading. Bolts will actually twist while torquing to proper spec, greatly reducing their ability to hold true.

$ 327.60 $ 386.57


BC0950

BC0950 - Yamaha 998 Dual Spring/Steel Retainer/Seat Kit

Kit is intended for OEM shim in retainer setup. Designed for high rpm, BC valve springs by PAC Ra...

Kit is intended for OEM shim in retainer setup. Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Type BC1950 Dual Free Length 1.572" Outer/1.339" Inner Seat 1.265" @ 76 lbs Open 0.850" @ 192 lbs Coil Bind 0.715" Retainer BC2905H ...

$ 325.00 $ 383.50


BC0950B

BC0950B - Yamaha 998 Dual Spring/Steel Retainer/Seat Kit

Kit is intended for shim in aftermarket bucket setup. Designed for high rpm, BC valve springs by ...

Kit is intended for shim in aftermarket bucket setup. Designed for high rpm, BC valve springs by PAC Racing are wound from only the highest grade, super clean, chrome silicone alloy and feature proprietary processing procedures for consistent pressures. BC retainers are machined from premium 6AL4V titanium alloy for added valve control above 10,000 rpm. Type BC1950 Dual Free Length 1.572" Outer/1.339" Inner Seat 1.265" @ 76 lbs Open 0.850" @ 192 lbs Coil Bind 0.715" Retainer BC29...

$ 325.00 $ 383.50


BC0954

BC0954 - YAMAHA YXZ/SIDEWINDER (16-up) STOCK STROKE KIT w/BC PRO625+ RODS, SHELF PISTONS w...

Includes 4340 billet crank, 66.2mm stroke, BC Pro625+ rods (4.665" c-to-c), and shelf or custom p...

Includes 4340 billet crank, 66.2mm stroke, BC Pro625+ rods (4.665" c-to-c), and shelf or custom pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET

$ 3,732.00 $ 4,403.76


BC0955

BC0955 - - YAMAHA YXZ/SIDEWINDER (16-up) STOCK STROKE KIT w/BC ProH2K RODS, SHELF PISTONS...

Includes 4340 billet crank, 66.2mm stroke, BC ProH2K rods (4.665" c-to-c), and shelf or custom pi...

Includes 4340 billet crank, 66.2mm stroke, BC ProH2K rods (4.665" c-to-c), and shelf or custom pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET

$ 3,439.00 $ 4,058.02


BC0956

BC0956 - - YAMAHA YXZ/SIDEWINDER (16-up) STOCK STROKE KIT w/CARRILLO RODS, SHELF PISTONS ...

Includes 4340 billet crank, 66.2mm stroke, Carrillo rods (4.665" c-to-c), and shelf or custom pis...

Includes 4340 billet crank, 66.2mm stroke, Carrillo rods (4.665" c-to-c), and shelf or custom pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET

$ 3,877.00 $ 4,574.86


BC0958

BC0958 - YAMAHA YXZ/SIDEWINDER (16-up) STROKER KIT w/BC PRO625+ RODS, CUSTOM PISTONS w/ALL...

Includes 4340 billet crank, 71mm stroke, Pro625+ rods (4.665" c-to-c), and custom pistons (choice...

Includes 4340 billet crank, 71mm stroke, Pro625+ rods (4.665" c-to-c), and custom pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET

$ 3,732.00 $ 4,403.76


BC0959

BC0959 - YAMAHA YXZ/SIDEWINDER (16-up) STROKER KIT w/BC PROH2K RODS, CUSTOM PISTONS w/ALL ...

Includes 4340 billet crank, 71mm stroke, ProH2K rods (4.665" c-to-c), and custom pistons (choice ...

Includes 4340 billet crank, 71mm stroke, ProH2K rods (4.665" c-to-c), and custom pistons (choice of bore/compression). REQUIRES SIDEWINDER OIL PUMP/SPROCKET

$ 3,439.00 $ 4,058.02


BC3850

BC3850 - Yamaha YXZ / Textron XX Stainless Steel Intake Valves - 31mm (STD)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

$ 146.00 $ 172.28


BC3851

BC3851 - Yamaha YXZ / Textron XX Stainless Steel Exhaust Valves - 27mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

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 resistant stainless steel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a swirl polished finis...

$ 146.00 $ 172.28


BC3853-N

BC3853-N - Yamaha YXZ / Textron XX Inconel Exhaust Valves - 27mm (+1mm)

BC valves are one piece design with a friction welded Stellite tip for the best possible performa...

BC valves are one piece design with a friction welded Stellite tip for the best possible performance. Every valve is made from premium grade, extreme heat resistant Nimonic 90 alloy or Inconel material to insure reliability with high boost and/or high rpm applications. The undercut stem above the head area not only reduces overall weight for extended rpm potential, but also significantly improves air/fuel flow in and out of the combustion chamber. Every valve is fully machined and features a ...

$ 261.00 $ 300.15


BC5950

BC5950 - Unbalanced YAMAHA YXZ/SIDEWINDER (16-up) BILLET CRANKSHAFT (66.2mm STROKE)

WARNING - These crankshafts do not come balanced, ready to install. Balancing is required for ope...

WARNING - These crankshafts do not come balanced, ready to install. Balancing is required for operation. Add $200 per crank for TPR precision balance, bobweights required if using own piston and/or rod combo. 4340 billet crankshaft in stock stroke (66.2mm). MUST USE WITH SIDEWINDER OIL PUMP/SPROCKET. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage...

$ 2,200.00 $ 2,596.00


BC5951

BC5951 - Unbalanced YAMAHA YXZ/SIDEWINDER (16-up) BILLET CRANKSHAFT (71mm STROKE)

WARNING - These crankshafts do not come balanced, ready to install. Balancing is required for ope...

WARNING - These crankshafts do not come balanced, ready to install. Balancing is required for operation. Add $200 per crank for TPR precision balance, bobweights required if using own piston and/or rod combo. 4340 billet crankshaft in +4.8mm stroke (71mm). MUST USE WITH SIDEWINDER OIL PUMP/SPROCKET. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage ...

$ 2,200.00 $ 2,596.00


BC6951

BC6951 - Yamaha YXZ / Textron XX (16-up) ProH2K Connecting Rods w/ARP2000 Fasteners

Yamaha YXZ / Textron XX - ProH2K w/ ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly s...

Yamaha YXZ / Textron XX - ProH2K w/ ARP2000 Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliability required for high rpm applications. Every rod is CNC machined, micropolished surface finish treatment, equipped with Aluminum/Silicone/Bronze pin bushings and finish honed to exacting tolerances. C-to-C 4.665" BE Bore 1.6142" BE Width 0.887" PE Bore 0.748" PE Width 0.800" Gram Wt 428 Torque Specs 25 ft lbs - 5/16"

$ 730.00 $ 861.40


BC6952

BC6952 - Yamaha YXZ / Textron XX (16-up) Pro625+ Connecting Rods w/ARP625+ Fasteners

Yamaha YXZ / Textron XX - Pro625+ Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chro...

Yamaha YXZ / Textron XX - Pro625+ Custom Age 625+ Fasteners. Made from aerospace grade, 4340 chromoly steel, BC high performance connecting rods deliver the reliability required for high rpm applications. Every rod is CNC machined, micropolished surface finish treatment, equipped with Aluminum/Silicone/Bronze pin bushings and finish honed to exacting tolerances. C-to-C 4.665" BE Bore 1.6142" BE Width 0.887" PE Bore 0.748" PE Width 0.800" Gram Wt 428 Torque Specs 30 ft lbs - 5/1...

$ 795.00 $ 938.10


BC6953

BC6953 - Yamaha YXZ/998 (16-up) MOAR Connecting Rods w/ARP625+ Fasteners

The "MOAR" (Mother Of All Rods) Series connecting rod from Brian Crower is what a connecting rod ...

The "MOAR" (Mother Of All Rods) Series connecting rod from Brian Crower is what a connecting rod would look like when taking input from the top engine builders and tuners in the industry. The MOAR Series is 10 grams heavier than the industry proven ProH Series design. The I-Beam design allows added beam to cylinder wall clearance for stroker applications. Radiused edges for added rigidity, ARP Custom Age 625+ fasteners for premium clamping ability, added material near the pin end to insure tr...

$ 920.00 $ 1,058.00


BC7951

BC7951 - Yamaha YXZ / Textron XX (16-up) CP Custom Pistons w/All Hardware - Specify Bore x...

Order your custom CP pistons from Brian Crower in any bore and compression ratio as well as add f...

Order your custom CP pistons from Brian Crower in any bore and compression ratio as well as add features like skirt and top coatings, upgraded 9310 alloy wrist pins, gas ports, etc...50% deposit required, allow 4-6 weeks for delivery.

$ 979.65 $ 1,155.99


BC7952

BC7952 - Yamaha YXZ / Textron XX (16-up) JE Custom Pistons w/All Hardware - Specify Bore x...

Order your custom JE pistons from Brian Crower in any bore and compression ratio as well as add f...

Order your custom JE pistons from Brian Crower in any bore and compression ratio as well as add features like skirt and top coatings, upgraded 9310 alloy wrist pins, gas ports, etc...50% deposit required, allow 4-6 weeks for delivery.

$ 979.65 $ 1,155.99


BC8805

BC8805 - Yamaha Sidewinder Oil Pump Drive Sprocket

Genuine Yamaha Sidewinder oil pump drive sprocket (#8KJ-1355-00) required for use on all BC Yamah...

Genuine Yamaha Sidewinder oil pump drive sprocket (#8KJ-1355-00) required for use on all BC Yamaha billet crankshafts. BC uses the Sidewinder 23 tooth timing gear design.

$ 42.00 $ 49.56


BC9050-2

BC9050-2 - ARP Yamaha YXZ (16-up) Roll Cage Fastener Kit - 2 Seat

BC x ARP exclusive roll cage bolt kit for the Yamaha YXZ 2 seater. Features 12pt, polished stainl...

BC x ARP exclusive roll cage bolt kit for the Yamaha YXZ 2 seater. Features 12pt, polished stainless steel bolts rated to 180,000psi, far superior to the Grade 8 stock bolts and a way better look. Fits all Yamaha YXZ's

$ 169.80 $ 200.36


BC9053

BC9053 - ARP Yamaha YXZ Front and Rear Shock Fastener Kit

BC x ARP exclusive front and rear shock kit for the Yamaha YXZ. Features 12pt, polished stainless...

BC x ARP exclusive front and rear shock kit for the Yamaha YXZ. Features 12pt, polished stainless steel bolts rated to 180,000psi, far superior to the Grade 8 stock bolts and a way better look. Fits all Yamaha YXZ's (16-up)

$ 139.80 $ 164.96


BC9054

BC9054 - ARP Yamaha YXZ Wheel Stud Kit (set/4)

Buff out your YXZ with these ARP Pro Series wheel studs designed with added shoulder length for ...

Buff out your YXZ with these ARP Pro Series wheel studs designed with added shoulder length for proper wheel engagement and a pronounced bull nose tip for easy starting of lug nuts. Made from heat-treated 8740 chromoly with cadmium plating for extra durability and a tensile strength of 200,000 psi. For comparison, a traditional Grade 8 bolt has a tensile strength of 150,000 psi. Fits all Yamaha YXZ and Textron/Wildcat XX’s. Sold in sets of 4 for one wheel hub.

$ 52.50 $ 61.95


BC9055

BC9055 - ARP Yamaha YXZ Front and Rear Brake Caliper Kit

BC x ARP exclusive front and rear brake caliper kit for the Yamaha YXZ. Features 12pt, polished s...

BC x ARP exclusive front and rear brake caliper kit for the Yamaha YXZ. Features 12pt, polished stainless steel bolts rated to 180,000psi, far superior to the Grade 8 stock bolts and a way better look. Fits Yamaha YXZ (16-up).

$ 70.20 $ 82.84


BME1095

BME1095 - Yamaha YXZ / Textron XX (16-up) BME Shelf Pistons w/All Hardware - 80mm x 9.5:1

While BME's flagship piston products are NASCAR and road racing pistons, Bill Miller Engineering'...

While BME's flagship piston products are NASCAR and road racing pistons, Bill Miller Engineering's cutting-edge technology and premium quality wins races in another motorsport which is a grueling test of pistons: blown-fuel drag racing. In fact, drag racing was the first market for the BME Forged Aluminum Racing Piston. Ever since legendary, dragster and funny car crew chief, the late Dale Armstrong, switched to BME in the 1980s, blown-fuel racers have used BME Pistons in their engines. Since...

$ 792.75 $ 935.45


BME1096

BME1096 - Yamaha YXZ / Textron XX (16-up) BME Shelf Pistons w/All Hardware - 80mm x 11.5:1

While BME's flagship piston products are NASCAR and road racing pistons, Bill Miller Engineering'...

While BME's flagship piston products are NASCAR and road racing pistons, Bill Miller Engineering's cutting-edge technology and premium quality wins races in another motorsport which is a grueling test of pistons: blown-fuel drag racing. In fact, drag racing was the first market for the BME Forged Aluminum Racing Piston. Ever since legendary, dragster and funny car crew chief, the late Dale Armstrong, switched to BME in the 1980s, blown-fuel racers have used BME Pistons in their engines. Since...

$ 792.75 $ 935.45


CA6951

CA6951 - Yamaha YXZ / Textron XX (16-up) Carrillo H-Beam Connecting Rods - Normally Aspirated

Polaris XP Turbo - Carrillo Connecting rods were founded by Fred Carrillo in 1963. Fred approach...

Polaris XP Turbo - Carrillo Connecting rods were founded by Fred Carrillo in 1963. Fred approached the challenges of manufacturing with the idea of no compromise. He knew the never ending quest for speed would require the same desire in component manufacturing. This Carrillo philosophy is as evident today as it was at Carrillo’s conception in 1963. Quality and pride go hand-in-hand at CP-Carrillo. Manufacturing a CP-Carrillo rod is much more than cutting a forging, meeting production goals a...

$ 995.40 $ 1,174.57


CA6952

CA6952 - Yamaha YXZ / Textron XX (16-up) Carrillo Straight-H Connecting Rods w/CARR Bolts ...

Polaris XP Turbo - Carrillo Connecting rods were founded by Fred Carrillo in 1963. Fred approach...

Polaris XP Turbo - Carrillo Connecting rods were founded by Fred Carrillo in 1963. Fred approached the challenges of manufacturing with the idea of no compromise. He knew the never ending quest for speed would require the same desire in component manufacturing. This Carrillo philosophy is as evident today as it was at Carrillo’s conception in 1963. Quality and pride go hand-in-hand at CP-Carrillo. Manufacturing a CP-Carrillo rod is much more than cutting a forging, meeting production goals a...

$ 995.40 $ 1,174.57


CP1095

CP1095 - Yamaha YXZ / Textron XX (16-up) CP Shelf Pistons w/All Hardware - 80mm x 9.5:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...

$ 641.97 $ 748.98


CP1096

CP1096 - Yamaha YXZ / Textron XX (16-up) CP Shelf Pistons w/All Hardware - 80mm x 12.5:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...

$ 641.97 $ 748.98


CP1097

CP1097 - Yamaha YXZ / Textron XX (16-up) CP Shelf Pistons w/All Hardware - 80mm x 11.5:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...

$ 641.97 $ 748.98


CP1098

CP1098 - Yamaha YXZ / Textron XX (16-up) CP Shelf Pistons w/All Hardware - 80mm x 10.5:1

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. ...

Pistons are the backbone of any true hardcore racing engine and that’s where CP-Carrillo excels. Our Engineering department started off analyzing the competition, gathering industry data and deciding to make the highest level of pistons, period. The heart and soul of our pistons are built through our Engineering Department and its resources. This department is made up of several factors that push them ahead of the competition; Reverse Engineering, Design Experience and Flexibility, Analysis a...

$ 641.97 $ 748.98


JE345192

JE345192 - Yamaha YXZ / Textron XX (16-up) JE Shelf Pistons w/All Hardware - 80mm x 9.5:1

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over an...

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over any other brand. For over 70 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilizing State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances ...

$ 634.73 $ 748.98


JE345193

JE345193 - Yamaha YXZ / Textron XX (16-up) JE Shelf Pistons w/All Hardware - 80mm x 11.5:1

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over an...

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over any other brand. For over 70 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilizing State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances ...

$ 634.73 $ 748.98


JE345194

JE345194 - Yamaha YXZ / Textron XX (16-up) JE Shelf Pistons w/All Hardware - 80mm x 12.5:1

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over an...

The top engine builders in NASCAR, ALMS, NHRA, AMA SupercBME and others choose JE Pistons over any other brand. For over 70 years, JE's position at the forefront of performance piston manufacturing has been a result of continuous research and development of unique materials, piston designs and technologies. Utilizing State-Of-The-Art CNC machines for manufacturing along with purpose-designed forgings, JE is able to maintain exacting specifications on each and every piston and hold tolerances ...

$ 634.73 $ 748.98