GM LS1 Pro-St R/A Kit 1.7 Ratio - Adjustable YTRYT6683
Part Number: YTRYT6683YELLA TERRA
- SKU:
- YTRYT6683
- MPN:
- YT6683
- Condition:
- New
- Availability:
- Ships Same Business Day
- Weight:
- 8.65 LBS
Description
Maximizing valve lift and duration is critical for high-RPM LS1 performance, and this Pro-Series rocker arm kit delivers the precise 1.7:1 ratio needed to unlock your engine's full potential. The ultralite aluminum construction minimizes reciprocating mass, reducing parasitic losses while the roller tip design cuts friction across the entire RPM band. Whether you're building a track-focused engine or seeking reliable, repeatable valve actuation, this shaft-mount kit offers the durability and precision JJ-Motorsports customers demand.
- 1.70:1 rocker ratio
- Ultralite aluminum body
- Shaft-mount design
- Roller tip tip
- GM LS-Series fitment
- Complete kit
- Bolt-on installation
- CNC-precision machined
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