HKS RB26 Step 1 EX-side 256° Ruyage Radio Chevrolet K20 (1975-1986) 2WD or

Chevrolet K20 (1975-1986) 2WD or 4WD

Turbo R-Spec

Open Height 51

Click here to find the Guana Install Manual

Bushings made to properly fit J120 & J150 frames

HKS RB26 Step 1 EX-side 256° Ruyage Radio Chevrolet K20 (1975-1986) 2WD orVariable Valve Timing System allows the classic RB26 to become a new generation engine. "V CAM SYSTEM" & "VALCON type RB26" are combined as an affordable set. STEP1 Features The intake cam side of the RB26DETT is changed to allow variable valve timing. The cam has duration of 248 which seem a little conservative. However, with the variable timing, power increases can be found at low or high RPM Whether you are looking to find some time on the circuit