Yella Terra Chevrolet/Holden LS1 LS2 LS3 Ultra-Light Steel Flywheel 168T (YT9910RPM)
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Yella Terra YT9910RPM Ultra-Light Steel Flywheel for Chevrolet and Holden LS Engines
The Yella Terra YT9910RPM is an ultra-light billet steel flywheel designed for performance Chevrolet and Holden LS-series applications using a six-bolt crankshaft. At approximately 7 kg, it reduces rotating mass compared with a conventional full-weight flywheel, helping the engine respond and accelerate more quickly while retaining the strength and durability of billet steel construction.
Machined with a 168-tooth ring gear and neutral balance, this flywheel suits LS1, LS2, L77, L98 and LS3 engines from 5.7 to 6.2 litres. It accepts factory GM and compatible Exedy 280 mm (11-inch) clutch patterns, making it suitable for performance street cars, circuit and drag applications, off-road vehicles, trucks and selected marine installations.
Key features
- Explosion-resistant billet steel construction
- RPM Ultra Light design with approximately 7 kg product weight
- Neutral balanced for compatible LS-series engines
- 168-tooth ring gear
- Machined for six-bolt LS crankshafts
- Factory GM and Exedy 280 mm (11-inch) clutch patterns
- Suitable for LS1, LS2, L77, L98 and LS3 engines
- Designed for performance street, racing, off-road, truck and marine applications
Specifications
| Part number | YT9910RPM |
|---|---|
| Product type | Steel flywheel |
| Classification | RPM Ultra Light |
| Balance | Neutral |
| Product weight | 7 kg |
| Ring gear teeth | 168 |
| Outside diameter | 358 mm |
| Engine family | Chevrolet/Holden LS series |
| Engine fitment | LS1, LS2, L77, L98 and LS3 |
| Engine capacity | 5.7–6.2 litres |
| Clutch pattern | Factory GM and Exedy |
| Clutch diameter | 280 mm (11 inch) |
| Crank register diameter | 52.50 mm |
| Crank bolt holes | 6 |
| Pressure-plate bolt holes | 6/3/6 |
| Manufacturer torque setting | 85 ft-lb |
Important fitment information
This flywheel is for compatible LS engines with a six-bolt crankshaft. It does not suit LSA, LSX or LS9 engines, including LSA applications with an eight-bolt crank. Confirm the engine, crankshaft flange and clutch combination before ordering. Installation and final fastener torque should be completed by a suitably qualified technician.
| Product Name | Yella Terra Chevrolet/Holden LS1 LS2 LS3 Ultra-Light Steel Flywheel 168T (YT9910RPM) |
|---|---|
| Brands | Yella Terra |
| Engine | 6.0L V8, ChevLS, GM / LS, LS 5.7L, LS 5.7L and 6.0L V8 |
| Make | Chevrolet, GM, Holden, LS Chev |
Delivery & Freight
We are an Australian-based company that ships items nationally and internationally, usually within 48 hours of receiving your order. High-value items shipped internationally are sent via DHL Express, while lower-value items are sent via Australia Post Express unless otherwise instructed.
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Which engines does the Yella Terra YT9910RPM flywheel suit?
It suits compatible 5.7 to 6.2-litre LS-series engines with a six-bolt crankshaft, including LS1, LS2, L77, L98 and LS3 applications.
Does the YT9910RPM suit LSA, LSX or LS9 engines?
No. Yella Terra specifically excludes LSA, LSX and LS9 applications. It also does not suit the eight-bolt LSA crankshaft.
What clutch does the YT9910RPM flywheel accept?
It is machined for factory GM and compatible Exedy 280 mm (11-inch) clutch patterns. The complete engine, gearbox and clutch combination should be confirmed before installation.
What are the main specifications of the YT9910RPM?
It is a neutral-balanced billet steel flywheel weighing approximately 7 kg, with a 168-tooth ring gear, 358 mm outside diameter and 52.50 mm crank register.
