Supertech Pistons offer top-tier performance with their advanced construction and high-quality materials. Crafted from extruded high-silicone, enhanced 4032 alloy, these pistons boast exceptional durability, low thermal expansion, and superior wear resistance. Engineered for maximum performance, Supertech Pistons can withstand high boost levels, making them ideal for high-performance applications.

• Manufactured from extruded high-silicone, enhanced 4032 alloy
• Withstands up to 42psi of boost with alcohol
• Fine structural grain achieved through a two or three-step forging process
• Heat treatments provide high tensile strength and evenly distributed hardness
• Features contact reduction grooves and honed pin bores for precise fit
• Wrist pins made of cold extruded chrome moly steel for added strength
• Coated with 'phosphate dry lubricant' for ring protection and enhanced lubrication

MINI R50 to R53 Performance Valve Springs Kit - Triple Groove SPRk-TS1015-mc is designed for high-performance engines that require enhanced valve control. This kit mounts directly to the stock OEM retainers and is ideal for performance builds demanding superior spring characteristics.

Key benefits of the MINI R50 to R53 Performance Valve Springs Kit - Triple Groove SPRk-TS1015-mc include:

• Dual Valve Spring Design: Provides increased stability and durability under high performance conditions.
• High Pressure Ratings: Offers a seat pressure of 76 lbs @ 34.80 mm and an open pressure of 210 lbs @ 11 mm, ensuring reliable valve control.
• Extended Lift Capability: Supports a maximum lift of 14.00 mm, allowing for more aggressive camshaft profiles.
• Precision Specifications: Includes dimensions of OUTSPR.OD 27.50 mm, OUTSPR.ID 20.00 mm, INNSPR.OD 20.00 mm, and INNSPR.ID 15.20 mm for accurate fitting.
• Durable Construction: Coil bind at 20.70 mm and rate of 12.10 mm ensure long-lasting performance and resistance to wear.
• Complete Set: Includes 16 springs for a full engine overhaul.

Supertech Pistons are meticulously crafted from an enhanced 4032 alloy, delivering exceptional performance and reliability for your BMW. Designed to withstand up to 42psi of boost with alcohol, these pistons boast superior wear resistance and low thermal expansion for enduring performance.

Benefits:

• High-quality enhanced 4032 alloy for low thermal expansion and wear resistance
• Endures up to 42psi of boost with alcohol, ensuring reliable performance
• Fine structural grain due to a two or three-step forging process
• High tensile strength with heat treatments and precision machining
• Contact reduction grooves, precise pin bores, and chrome moly steel wrist pins for durability

Upgrade Your Mini's Engine Performance with MINI W10 W11 Performance Valve Springs Kit - Single Groove SPRK-HM1007BE/MC2 SPR-HM1007BE/MC2

Enhance your Mini's engine performance with the MINI W10 W11 Performance Valve Springs Kit - Single Groove SPRK-HM1007BE/MC2 SPR-HM1007BE/MC2. This comprehensive kit is designed to optimize valve operation and improve engine efficiency. With high-quality materials and precision engineering, it ensures durability and reliability for your Mini's engine.

Benefits:

• Optimizes valve operation for improved engine performance
• High-quality materials ensure durability and reliability
• Precision engineering for enhanced engine efficiency
• Compatible with Mini W10 and W11 engines

MINI F54 to F60 Performance Valve Springs Kit - Set Of 16

The MINI F54 to F60 Performance Valve Springs Kit - Set Of 16 is designed to enhance performance for engines that demand higher specifications. This kit mounts directly to the stock OEM retainers, making it a seamless upgrade for those seeking improved engine performance.

• Set of 16 springs: Complete kit for comprehensive engine upgrade.
• Improved performance: Designed for high-performance engines.
• Direct fit: Mounts to OEM retainers, ensuring easy installation.
• Specifications:
  • Outer Spring Diameter: 24.40mm
  • Inner Spring Diameter: 21.00mm
  • Outer Spring ID: 17.60mm
  • Inner Spring ID: 14.20mm
  • Pressure Seat: 75 @ 37mm
  • Pressure Open: 155 @ 10mm
  • Maximum Lift: 12.2mm
  • Coil Bind: 23.20mm
  • Rate: 8.0mm
  • OEM Retainer and Seat Compatible
  • Retainer Part Numbers: SPR-FE20BE(16) + RET-BMB48/TE(8) + RET-BMB48/TI(8)

MINI R52 R53 Valve Guide Intake & Exhaust - Priced Each are engineered to offer exceptional performance and durability for the W11 engines in the Gen 1 MINI Cooper S/JCW. These precision-machined valve guides are crafted from high-quality manganese bronze and are designed to work seamlessly with low friction black nitrided valves, ensuring optimal engine performance.

Key benefits of the MINI R52 R53 Valve Guide Intake & Exhaust - Priced Each include:

• High-Quality Material: Made from premium manganese bronze for enhanced durability and resistance to wear.
• Precision Machining: Each valve guide is meticulously machined to ensure a perfect fit and reliable operation.
• Optimal Performance: Designed to pair with low friction black nitrided valves for improved engine efficiency and longevity.
• Individual Pricing: Sold individually, allowing for flexible purchase options depending on replacement needs.
• Compatibility: Specifically designed for the W11 engines in the Gen 1 MINI Cooper S/JCW.

MINI R52 R53 Valve Guide Intake & Exhaust - Set Of 16 are engineered for superior performance and longevity in the W11 engines found in the Gen 1 MINI Cooper S/JCW. These valve guides are precision-machined from high-quality manganese bronze and are designed to work optimally with low friction black nitrided valves, offering the best solution for both performance and durability.

Key benefits of the MINI R52 R53 Valve Guide Intake & Exhaust - Set Of 16 include:

• Premium Material: Crafted from high-quality manganese bronze for increased durability and resistance to wear.
• Precision Engineering: Each valve guide is meticulously machined to ensure a perfect fit and reliable operation.
• Enhanced Performance: Designed to complement low friction black nitrided valves, improving overall engine efficiency and lifespan.
• Complete Set: Includes all 16 valve guides needed for a full engine head replacement, ensuring consistency and convenience.
• Compatibility: Specifically designed for the W11 engines used in the Gen 1 MINI Cooper S/JCW.

• Manufactured from high-tensile strength 4340 alloy for exceptional durability
• H-beam design for improved strength and reliability
• Equipped with ARP 2000 bolts achieving a clamp load of 220,000 psi
• Designed in-house using advanced CAD and FEA software for superior quality
• Center to Center: 148.30mm
• PE Bore: 22mm full float / PE Width: 21mm
• BE Bore: 53.66mm / BE Width: 23.9mm