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)

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 performance with Supertech Pistons, crafted from a high-silicone, enhanced 4032 alloy for superior quality. These pistons boast low thermal expansion, exceptional wear resistance, and increased thermal conductivity. Utilizing a two or three-step forging process and CNC machining, they ensure a fine structural grain for robustness. The heat treatment guarantees high tensile strength and uniform hardness, while contact reduction grooves and precisely honed pin bores ensure a precise fit. Crafted with cold-extruded chrome moly steel wrist pins and a phosphate dry lubricant coating, these pistons offer enhanced protection and lubrication for optimal performance.

Benefits:

• High-quality pistons for enhanced engine performance
• Low thermal expansion and excellent wear resistance
• Superior tensile strength and hardness
• Precisely honed pin bores for accurate fit
• Enhanced protection with phosphate dry lubricant coating

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.