Lower Control Arms – Dirt Style
NOTE: All UB Machine lower control arms are measured from the center of the ball joint to the center of the heim joint or rubber bushing.


25-SERIES Round tube lower Uses 3/4″ heim joint pivot with “golf club” strut mount $ | 25-SERIES Round tube lower Uses 5/8″ heim pivot with “golf club” strut mount $ |
LARGE SCREW-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-1165-GS |
17-5/8″ | 25-1175-GS |
18″ | 25-1180-GS |
19″ | 25-1190-GS |
LARGE PRESS-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-2165-GS |
17-5/8″ | 25-2175-GS |
18″ | 25-2180-GS |
19″ | 25-2190-GS |
LARGE SCREW-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-1165-5GS |
17-5/8″ | 25-1175-5GS |
18″ | 25-1180-5GS |
19″ | 25-1190-5GS |
LARGE PRESS-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-2165-5GS |
17-5/8″ | 25-2175-5GS |
18″ | 25-2180-5GS |
19″ | 25-2190-5GS |
Parts Order Line: 260-493-3381


25-SERIES Round tube lower Has rubber bushing pivot with 3/4″ diameter strut mount boss $ | 25-SERIES Round tube lower Has rubber bushing pivot with “golf club” strut mount $ |
Parts Order Line: 260-493-3381 |
LARGE SCREW-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-1165-RB |
17-5/8″ | 25-1175-RB |
18″ | 25-1180-RB |
19″ | 25-1190-RB |
LARGE PRESS-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-2165-RB |
17-5/8″ | 25-2175-RB |
18″ | 25-2180-RB |
19″ | 25-2190-RB |
LARGE SCREW-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-1165-RBGS |
17-5/8″ | 25-1175-RBGS |
18″ | 25-1180-RBGS |
19″ | 25-1190-RBGS |
LARGE PRESS-IN BALL JOINT | |
LENGTH | PART # |
16-5/8″ | 25-2165-RBGS |
17-5/8″ | 25-2175-RBGS |
18″ | 25-2180-RBGS |
19″ | 25-2190-RBGS |

ROCKET LOWER Monoball 5/8″ strut boss $ Parts Order Line: 260-493-3381 |
15-1/8″ L/H | 27-4151-RBR |
19-1/8″ R/H | 27-4191-RBR |

27-SERIES
Monoball lower arm
Has 3/4″ threads, with a 3/4″ front strut mount
Uses a 3/4″ monoball and stud (not included)
LENGTH | PART # |
15-5/8″ | 27-4155 |
16″ | 27-4160 |
*16-5/8″ | 27-4165 |
17″ | 27-4170 |
*17-5/8″ | 27-4175 |
*18″ | 27-4180 |
*19″ | 27-4190 |
*FOR 5/8″ THREADS, ADD A “-5” AT THE END OF THE PART # |
27-SERIES
REPLACEMENT PARTS
25-0001 | Strut rod end – 3/4-16″ LH threads, 1/2″ hole | $ |
25-0015 | Flanged strut rod boss | $ |
27-0100 | Nylock modified for monoball 5/8″-18 | $ |
40-4171 | Stud for large screw-in | $ |
40-4267 | Stud for large press-in | $ |
47-1211 | 3/4″ heim joint | $ |
47-1255 | 3/4″ teflon monoball | $ |
48-1211 | 3/4″ monoball housing | $ |
48-5143 | Snap ring | $ |
999-5507-125A | Step spacer 1/2″ ID x 3/4″ step x 1-1/4″ long – aluminum | $ |

25-0001 Strut rod end – 3/4-16″ LH threads, 1/2″ hole $ Parts Order Line: 260-493-3381 |

25-0015 Flanged strut rod boss $ Parts Order Line: 260-493-3381 |

999-5507-125A Step spacer – 1/2″ ID x 3/4″ step x 1-1/4″ long – aluminum $ Parts Order Line: 260-493-3381 |

24 Hour Fax: 260-493-4663