T: (800) 992-7007

P: (530) 886-0771

All orders ship from the U.S.A.

Keeping classic Minis on the road since 1974

(800) 992-7007 | (530) 886-0771


  • Condition: new
  • Sold -999
  • Made in the U.S.A. False
  • DOT-approved False
Price: $1,599.95
    SKU:  SEN0281
    Availability: In Stock

    • Inlet Valves: 35.7mm(1.401") dia. modified original equipment type
    • Exhaust Valves: 29.3mm(1.150") dia. modified original equipment type
    • Exhaust seats: Latest type Beryllium-based for lead-free fuel
    • Valve Guides: Cast iron
    • Valve Springs: Nominal 180lb at 0.495" valve lift
    • Stem Seals: Latest 'top-hat' design with tensioner springs
    • Chamber Volume: Nominal 21cc
    • Stage 2 1275 Lead-free "GT" Cylinder Head

    Keith Calver has performed hours and hours of testing to perfect his range of modified cylinder heads. Years of development have resulted in what is possibly the best over-the-counter head in this price range. Sold outright, no exchange. Flow characteristics match or exceed Longman GT-7 head. Available options: Drilling for 11 Studs and/or installation of bypass fitting.