Supertech Block Guard - RSX - - - BG-K20 - K20A2;K20A3;K20Z1

Supertech Block Guard - - ACURA RSX BASE;S;TYPE-S K20A2;K20A3;K20Z1 L4 ; - HONDA CIVIC MUGEN SI;SI K20Z3 L4 ; - HONDA CIVIC SI K20A3 L4 ; - BG-K20 Supertech Block Guards are meticulously designed and tested in many engines. As a result Supertech offered Block Guards that will provide support to highly stressed cylinder walls with optimal engine cooling by allowing enough water in critical areas to avoid destructive cylinder hot spots. Supertech Block Guards are made from high strength, corrosion resistant 6061 aluminum alloy and CNC machined for precise installation.