BLOX Racing intake and exhaust studs are CNC-machined from SUS303 stainless steel. Each stud features precision threads and includes a washer and 12-point hex nut. The stainless steel material provides excellent durability and protection from extreme heat and wear.

BLOX Racing stainless steel intake and exhaust studs stop corrosion and rust out problems, prevent expensive cylinder repair costs caused by broken studs and allow easy removal of intake or exhaust manifolds for gasket replacement or inspection.

BLOX Racing offers common lengths of 45mm and 55mm and extended length of 65mm for serious, custom requirements.


  • Thread pitch: M8x1.25
  • Lengths: 65mm
  • Material: SUS303 stainless steel
  • Stud: 3mm Allen socket
  • Washer: 3mm thickness
  • Nut: 12-point hex flange nut


  • 7-PC Intake: Honda S2000
  • 7-PC Exhaust Honda D16Z8-Y8; Honda K20A w/o coolant flange
  • 8-PC: Honda K20A with coolant flange
  • 9-PC Intake: Honda B/D/H-series
  • 9-PC Exhaust: Honda H22A, Honda H23A
  • 10-PC: Honda B-series, Honda S2000
SKU BXFL-00309
Brand Blox Racing
Shipping Weight 0.5000kg
Shipping Width 0.150m
Shipping Height 0.150m
Shipping Length 0.100m

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