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Thermal PerformanceÂ
Milspec Diaphragm
this retainer will improve reciprocating mass and allow for an 500rpm increase in RPM over stock
54-58mm twin turbo
* Comes in 3 standard PRP colours
LS V8 Series Camshaft RX108-SP Vehicle Make_Astra Thermal PerformanceÂ258 264 at 0. 050" 115 Lobe Separation . 650" . 660" Valve Lift Solid lifter camshaft for turbo competition engines running launch limiters and or flat shift. Turbocharger sizing, 76 88mm single turbo, 58 64mm twin turbo. \nKelford Cams recommend PAC 1209X valve spring for most applications, but please contact us for our recommendation for high boost and high rpm applications.
