Driven Racing Oil HR4 10W-30 is a synthetic hot rod motor oil built for classic and racing engines, and it performs especially well in small block crate engines. The 10W multi-grade formula provides strong start-up protection for flat tappet, overhead, and roller cam engines and carries the anti-wear chemistry these designs need, so no separate ZDDP additive is required. Storage protection additives guard against rust and corrosion during winter layup. HR4 is formulated for classic and racing applications only and is not intended for vehicles equipped with catalytic converters.
Specifications:
- Product line: HR4 Hot Rod Oil
- Type: Motor oil
- Viscosity: 10W-30
- Base: Synthetic
- Size: 1 qt bottle
- Part number: 01506
Applications:
- Small block crate engines
- Flat tappet, overhead, and roller cam engines
- Classic and racing use only, not for catalytic-converter-equipped vehicles
- Added protection for engines in winter storage
FAQ
Does Driven HR4 10W-30 need a separate ZDDP additive?
No. HR4 already contains the anti-wear additive package these engines need, so no separate ZDDP additive is required.
Is HR4 10W-30 a synthetic oil?
Yes. HR4 10W-30 is a synthetic hot rod oil formulated for classic and racing applications.
Can HR4 10W-30 be used in a vehicle with a catalytic converter?
No. Driven states HR4 is formulated for classic and racing use only and is not intended for vehicles equipped with catalytic converters.
What engines is HR4 10W-30 best suited for?
It is a strong match for small block crate engines and provides excellent start-up protection for flat tappet, overhead, and roller cam engines.
