Collection: KA Engine Collection
-
BorgWarner Turbo S400SX SX 74.5mm (100/83)
Regular price $1,398.99Regular price$1,764.83Sale price $1,398.99Sale -
BorgWarner Turbo EFR B1 6258 0.64 a/r VO WG
Regular price $2,359.99Regular price$2,973.14Sale price $2,359.99Sale -
BorgWarner Turbo S400SX SX 67.7mm (91/83)
Regular price $1,545.99Regular price$1,949.12Sale price $1,545.99Sale -
BorgWarner Actuator EFR High Boost Use with 55mm and 58mm TW .64
Regular price $75.99Regular price$94.91Sale price $75.99Sale -
BorgWarner Super Core EFR B1 6258
Regular price $1,811.99Regular price$2,288.02Sale price $1,811.99Sale -
BorgWarner Turbo S400SX SX 80mm (110/87)
Regular price $1,627.99Regular price$2,034.27Sale price $1,627.99Sale -
BorgWarner Turbo EFR B2 8374 0.83 a/r VO WG
Regular price $2,947.99Regular price$3,711.71Sale price $2,947.99Sale -
BorgWarner Actuator EFR High Boost Use with 64mm-80mm TW .83
Regular price $75.99Regular price$94.91Sale price $75.99Sale -
BorgWarner Actuator EFR Low Boost Use with 64mm-80mm TW .83
Regular price $75.99Regular price$94.91Sale price $75.99Sale -
BorgWarner Actuator EFR Medium Boost Use with 64mm-80mm TW .83
Regular price $75.99Regular price$94.91Sale price $75.99Sold out -
BorgWarner Turbo EFR B2 7670 1.05 a/r VTF
Regular price $2,931.99Regular price$3,889.32Sale price $2,931.99Sale -
BorgWarner Super Core S400SX SX 67.7mm (91/83)
Regular price $1,281.99Regular price$1,618.32Sale price $1,281.99Sale -
BorgWarner Actuator EFR Low Boost Use with 55mm and 58mm TW .64
Regular price $75.99Regular price$94.91Sale price $75.99Sale -
BorgWarner Super Core EFR B2 9180
Regular price $2,581.99Regular price$3,258.98Sale price $2,581.99Sale -
BorgWarner Hardware/ Installation Kit EFR Hardware/ Installation Kit
Regular price $126.99Regular price$157.89Sale price $126.99Sale -
BorgWarner Turbo EFR B2 8374 0.92 a/r VTF WG
Regular price $3,476.99Regular price$4,559.84Sale price $3,476.99Sale -
BorgWarner Turbo EFR B1 6758 0.64 a/r VO WG
Regular price $2,337.99Regular price$2,945.78Sale price $2,337.99Sale -
BorgWarner Super Core EFR B1 6758
Regular price $1,729.99Regular price$2,185.66Sale price $1,729.99Sale -
BorgWarner Turbo EFR B2 7670 0.92 a/r VTF WG
Regular price $3,244.99Regular price$4,270.93Sale price $3,244.99Sale -
BorgWarner Turbo EFR B2 8374 1.05 a/r VTF
Regular price $3,355.99Regular price$4,417.95Sale price $3,355.99Sale -
BorgWarner Boost Control Solenoid Valve (BCSV) Kit EFR
Regular price $172.99Regular price$215.81Sale price $172.99Sale -
BorgWarner Actuator Bracket Kit EFR 83mm and 91mm CW
Regular price $72.99Regular price$91.14Sale price $72.99Sold out -
BorgWarner Actuator Bracket Kit EFR 62-76mm CW 0.83 0.94 TH
Regular price $71.99Regular price$89.20Sale price $71.99Sale -
BorgWarner Actuator Bracket Kit EFR 62 and 67mm CW 0.64 TH
Regular price $69.99Regular price$86.40Sale price $69.99Sale
Overview
About the KA Engine Collection
The KA24DE is the durable factory engine of the Nissan 240SX — a stout, underrated foundation for boosted and high-revving builds. J-Spec Garage's KA Collection covers the parts to rebuild, strengthen, and make power with the KA24DE and KA24E in the S13 and S14 chassis.
Shop forged pistons and rods, head studs, camshafts, valvetrain, gaskets, and rebuild components for street, drift, and track KA builds. Whether you're keeping it KA or building a boosted bottom end, we stock the parts to do it reliably — backed by our price match guarantee and fast US shipping.
Shop the full KA engine parts collection below.


