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Exterior Components› Body Panels and Components
Manley Performance
KIT-SBC LONG-SLOT
SKU: M004 43140
Easy — 1–2 hours
Overview
This set includes grooved rocker balls and nuts. The rocker arms are made of natural steel with a natural finish. They are designed to accommodate a maximum valve spring diameter of 1.437 inches.
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Part #: 43140
Features:
- Long slots to avoid stud interference
- Highest quality steel
- Heat treated
- Kits include oil grooved rocker balls and nuts
- Note: Rockers only are sold in kits with quantities of 8, but rocker balls and rocker nuts are sold in quantities of 16. Kits 43140 and 43150 include only 8 pieces of each part so 1 set is for 1 head.
Long Slot - 1.5 Ratio - Non "self-aligning" type used from 1955-1989
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
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Specifications
| Brand | Manley Performance |
| Part Number | M004 43140 |
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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