Rywire : Budget D & B-series Tucked Engine Harness OBD1 Budget D & B-Series Tucked Engine harness MADE IN THE U.S.A. This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200°C. Our D-series and B-series compatible wire-tuck engine harness is nearly identical to our Mil-spec engine harness line with the primary difference being, the single black wire color and expandable loom. Wiring Harnesses - Electronics | SpeedFactory Racing B Series ; K Series; H/F Series; D Series; Clutch Kits and Flywheels. CCI Clothing and Accessories; Wiring Harnesses; Wiring Harnesses. Sort By: Position K-Tuned EF (1988-1991) Civic / CRX K-Swap Conversion Harness. Add to Cart Add to Wishlist Add to Compare. $260.