422 - PBM Performance - Stud Girdles - BBC Pro Style - World Merlin Iron, O.E. Iron Heads, World Pro 1, Merlin Aluminum Heads - 1pc Design 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

419 - PBM Performance - Stud Girdles - BBC Pro Series - World Merlin Iron Heads - 2pc Design - 7/16" Stud 1/4" Extra High-Longer Valves

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

418 - PBM Performance - Stud Girdles - BBC Pro Series - World Merlin Iron Heads - 2pc Design - 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

416 - PBM Performance - Stud Girdles - BBC Pro Series - Profiler "Sniper and Sniper X" Heads - 2pc Design - 7/16" Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

415 - PBM Performance - Stud Girdles - SBC Pro Series - Profiler "All American" Heads - 2pc Design - 7/16" Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

412 - PBM Performance - Stud Girdles - SBF Pro Series - World Windsor Sr., Dart. AFR Heads - 2pc Design - 7/16" Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

411 - PBM Performance - Stud Girdles - SBC Pro Series - 2pc Design - 7/16" Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

410 - PBM Performance - Stud Girdles - SBC Stud Girdle 3/8"

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

409 - PBM Performance - Stud Girdles - SBC UltraLite - 1pc Design - 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

406 - PBM Performance - Stud Girdles - BBC Dart Pro 1, Merlin Aluminum, RHS Heads- 1pc Design - 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

405 - PBM Performance - Stud Girdles - SBF Canfield 0195 Heads - 1pc Design - 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.

404F - PBM Performance - Stud Girdles - SBF AFR, Dart, World Aluminum Heads - 1pc Design - 7/16 Stud

Stud Girdles help eliminate stud movement that changes valve actuation, due to flex and angle changes. PBM stud girdles are made from 6061-T6 aluminum for maximum durability.