Looking for aftermarket parts to modify or upgrade your GMC K25 with bushing kits? At Tunersports.com we carry a huge selection of the top name brand performance bushing kit parts and accessories.

IN STOCK - LOW 7-1712Prothane 68-87 GM Big Block Radiator Isolators - Red 1976-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $40.65 |

IN STOCK 7-1001-BLProthane 67-87 GM Rear Spring & Shackle Bushings (w/ 1.5in Bushings) - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $72.22 |
OUT OF STOCK 7-1003-BLProthane 73-87 GM Rear Spring & Shackle Bushings (w/ 1.5in Bushings) - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $72.90 |
OUT OF STOCK 7-1007-BLProthane 71-87 GM K10-30 4wd Front Spring Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $67.85 |
OUT OF STOCK 7-1009-BLProthane 73-86 GM K10-30 4wd Front Spring Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $52.71 |
OUT OF STOCK 7-1015-BLProthane GM Front Spring & Shackle Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $71.40 |
OUT OF STOCK 7-801-BLProthane 71-91 GM Front Frame Shackle Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $38.68 |
OUT OF STOCK 7-802-BLProthane 81-87 GM Rear 1 3/8in OD Frame Shackle Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $40.13 |
OUT OF STOCK 7-803-BLProthane 73-87 GM Rear 1.5in OD Frame Shackle Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $41.75 |

IN STOCK 7-1001Prothane 67-87 GM Rear Spring & Shackle Bushings (w/ 1.5in Bushings) - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $72.22 |
OUT OF STOCK 7-1003Prothane 73-87 GM Rear Spring & Shackle Bushings (w/ 1.5in Bushings) - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $72.90 |
IN STOCK 7-1007Prothane 71-87 GM K10-30 4wd Front Spring Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $67.85 |
OUT OF STOCK 7-1009Prothane 69-87 Chevrolet Pickup 4WD Spring Bushing Kit (Replacement for SuperLift 315) 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $52.71 |
OUT OF STOCK 7-1015Prothane GM Front Spring & Shackle Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $71.40 |
OUT OF STOCK 7-801Prothane 71-91 GM Front Frame Shackle Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $38.68 |
OUT OF STOCK 7-802Prothane 81-87 GM Rear 1 3/8in OD Frame Shackle Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $40.13 |
OUT OF STOCK 7-803Prothane 73-87 GM Rear 1.5in OD Frame Shackle Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $41.75 |

OUT OF STOCK 7-1601-BLProthane 68-84 Chevy K10/20/30 4WD Trans Mount Bushings - Black 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $121.35 |
IN STOCK 7-1603-BLProthane 60-75 Jeep Transfer Case Torque Mount - Black 1975-1975 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $38.30 |

OUT OF STOCK 7-1601Prothane 68-84 Chevy K10/20/30 4WD Trans Mount Bushings - Red 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $121.35 |
OUT OF STOCK 7-1603Prothane 60-75 Jeep Transfer Case Torque Mount - Red 1975-1975 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $38.30 |

IN STOCK - DROPSHIPS 23002Required: 1 per wheel This sleeve changes camber and caster on many older model trucks and SUVs with Dana 44 or GMC 10 bolt axles. 4169 spanner socket is required for removal. Rotate sleeve to fine tune camber/caster adjustment. California Residents WARNING... SPC Performance 1/4 deg. 4X4 BUSHING 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $51.89 |
IN STOCK - DROPSHIPS 23004Required: 1 per wheel This sleeve changes camber and caster on many older model trucks and SUVs with Dana 44 or GMC 10 bolts axles. 4169 spanner socket is required for sleeve removal. Rotate sleeve to fine tune caster/camber adjustment. California Residents WARNING... SPC Performance 1/2 deg. 4X4 BUSHING 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $51.89 |
IN STOCK - DROPSHIPS 23006This sleeve changes camber and caster on many older model trucks and SUVs with Dana 44 or GMC 10 bolt axles. 4169 spanner socket is required for sleeve removal. Rotate sleeve to fine tune camber/caster adjustment. California Residents WARNING... SPC Performance 3/4 deg. 4X4 BUSHING 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $58.22 |
IN STOCK - DROPSHIPS 23008This sleeve changes camber and caster on many older model trucks and SUVs with Dana 44 or GMC 10 bolts axles. 4169 spanner socket is required for removal. Rotate sleeve to fine tune camber/caster adjustment. California Residents WARNING... SPC Performance 1 deg. 4X4 BUSHING 1975-1978 GMC K25 Base / High Sierra / Sierra Classic / Sierra Grande $58.22 |