Designed as a direct replacement for the OEM oil pump gears, these billet 4340 steel gears are engineered for performance and reliability. The outer gear measures approximately 77mm in diameter and 15mm in thickness. The factory sintered gears—made from compressed powdered metal—are known to fail, even with mild engine modifications. They were never intended to withstand high horsepower or high RPM conditions. HSE gears are precision-machined from high-strength 4340 billet steel and feature the N1-spec 'wave' profile for increased oil flow. Each set undergoes isotropic polishing for a smooth, low-friction finish, ensuring consistent performance under extreme conditions. Proven in thousands of applications, including engines producing over 1000 horsepower, HSE billet gears offer a significant upgrade in strength and reliability. By minimizing the risk of oil pump failure, these gears help protect critical engine components such as pistons, valves, and camshafts from catastrophic damage.

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Arp Headstud kit to suit TB48de Kit comes with studs, washers and nuts with torque guide sheet We are able to custom order L19 and custom age 625 head studs, if this interests you please contact us.

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Toyota 1FZ-FE CP Forged Piston These Pistons are custom made for Spool and rated at 1000hp by CP. Compression Ratio: 9.0:1 Bore Size: +0.5mm Rings, Pins and Locks Included CP Pistons standard features include: 5310 gudgeon pins (9310 thicker wall thickness pins are available as an upgrade) Deep valve reliefs accommodate high lift camshafts Larger valve reliefs for +1mm valve sizes Custom skirt cam and barrel design Accumulator grooves High strength aluminum forgings High performance rings Fully CNC machined and balanced to +/- 1 gram Wrist pins included Double pin oilers force fed from oil ring groove Pick lock grooves for easy lock removal Pin fitting included Product images are for description purposes only. Actual product may vary.

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These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,00 psi. The pro series kits are also available with 12-point nut, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.   TO SUIT 1FZ Engine 

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These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,00 psi. The pro series kits are also available with 12-point nut, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.   TO SUIT 1FZ Engine 

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These Pro series studs from ARP are cold-forged to ensure molecular integrity. They are heat-treated prior to thread rolling and machining and are rated at a whopping 190,00 psi. The pro series kits are also available with 12-point nut, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.   TO SUIT 1FZ Engine 

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Suitable for TB48de engine. Rods are 4340 Forged and come with 7/16 ARP Rod bolts Grade Tested (X-Ray & Sonic) 4340 Billet Steel ONE Piece Forging  Quenched and Heat Treated Shot Peen Hardness Treated (38HRC) Doweled Cap for Superior Alignment Quality ARP 2000 Series Bolts Optional ARP Custom Age 625 Plus Series Bolts Silicone Bronze Pin End Bushes Balanced to Within a +/- 1 Gram Tolerance Per Set Bore Diameters to Within +/- 0.0001" Tolerance Sunnen Honing Machines Along with Sunnen Diamond Honing Tooling are used for both Big & Pin End Machining and Sizing 100% CNC Profiled 100% CNC Drilled & Tapped

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Nitto Pistons are made by CP in the USA. Come with upgraded wrist pins made out of 9310 material. Custom compression and bore size is available to order, please contact us for any questions or orders. (Piston rings included in price) Material: 2618 Size: 100mm Bore/ 0.020” oversize

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Machined from pure 4140 Chromoly Steel Tested to over 2500HP Engine will need to be line bored/honed and also machining for the thrust washer once these are installed SPECIAL ORDER PART, ETA 1 WEEK FROM PURCHASE DATE

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Arp Main stud kit to suit TB48de Kit comes with Studs, washers and nuts.Tested to over 2500HP Block will need to be tunnel bored for correct fitment.  SPECIAL ORDER PART, ETA 1 WEEK FROM PURCHASE DATE

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Full kit for connecting Nissan TB48 engines to the BMW ZF 8HP45 / 8HP50 / 8HP51 / 8HP70 /8HP75 The kit includes the following components: -Flywheel for direct connection to the 8HP converter, made from a special lightweight alloy AlZnMg+Ti with the strength of 42CrMo4 steel. The flywheel is designed for demanding projects and extreme loads such as 1/4 mile racing. The kit is designed to handle an engine torque of up to 2000Nm. The flywheel features a built-in starter ring gear compatible with the original BMW starter of your engine. Weight of flywhell 3.5kg -Adapter made of AW7075-T651 aluminum alloy, surpassing the strength of S355 and C45 (1.0503) steel. Thicekens 39MM -Mounting screws for the flywheel, adapter, and gearbox. - Modifications to the OEM Nissan Flex plate are required - Requires OEM crank spacer Kit for engines Nissan TB48 Compatible tranmissions with kit BMW ZF 8HP 8HP70 GA8HP70 BMW N57 N57N BMW ZF 8HP 8HP75 GA8HP75X BMW N57 N57N BMW ZF 8HP 8HP50 / 8HP50Z GA8HP50Z BMW BMW B58 B58B30 BMW ZF 8HP 8HP75Z GA8HP75Z / 8HP75 BMW B57 B57B30 BMW ZF 8HP 8HP51Z GA8HP51Z / 8HP51 BMW B48 B48B20 BMW ZF 8HP 8HP51Z GA8HP51Z / 8HP51 BMW B46 B46B20 BMW ZF 8HP 8HP45Z GA8HP45X BMW B47C/D20 We can supply MaxxECU setup for full control of the gearbox. Please message us for more details.

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