Yamaha YXZ

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.

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...

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

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

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...

BC3853 - 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...

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 ...

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...

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.

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

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

BC x ARP exclusive new design, features longer shank and bull nose tip. Made from 8740 chromoly s...

BC x ARP exclusive new design, features longer shank and bull nose tip. Made from 8740 chromoly steel alloy rated to 160,000psi. Fits all Yamaha YXZ's. Sold in sets of 4 for one wheel hub.

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...

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...

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...

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...

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 ...

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 ...