Factory valvesprings were not made to handle the abuse of higher lift and duration
Toyota - Mark II/Chaser/Cresta - GX100 (1998-2000) 1G-FE
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The end result is a Supercharger Kit that is completely bolt-on developed by using a highly efficient Sprintex unit as a base along with Cusco's product engineering knowledge
Reference Number: AMU-SRS-HZ33/Z33
Kelford - T203-C - 272/272, Lift 10.0mm/9.00mm - Mazda - B6T forester-sf5-applied-b-1998-1999-tc-ej20t-h4 Factory valvesprings were not madeSpecifications: Manufacturer: Kelford Reference Number: T203 C Specs duration (Lift in mm): 272 272, Lift 10. 0mm 9. 00mm This Kelford Cams range of camshafts for Mazda B6T are our most popular profiles to suit these engines as they were originally manufactured, with hydraulic lifters. Manufacturer Camshafts Note: Camshaft, Hydraulic Lifter Advertised Duration 272 272, Lift 10. 0mm 9. 00mm, Mazda, Turbo, Set Use valve spring set KVS12Taxes: TVA IVA