This cast Front Runner drive system for GM LT1 wet-sump engines uses a precision A356-T6 cast aluminum water pump housing with integrated compressor, alternator, and power steering pump mounting points, lowering the water pump an inch and tightening accessory spacing for extra intake and throttle body clearance.
Vintage Air Installation Instructions (PDF)
California Proposition 65 Warning (PDF)
Specifications:
- Engine platform: GM LT1 (Gen 5 small block), wet-sump
- Configuration: With power steering
- Housing: Cast A356-T6 alloy, integrated compressor/alternator/power steering mounts, 100% pressure tested
- Finish: Black hardcoat pulleys, black clutch and tensioner covers, natural compressor/alternator, natural power steering pump housing
- Alternator: 170-amp (140 amp at idle); 320-amp option available
- Includes: 6061-T6 billet water pump cartridge, billet pulleys, ARP 12-point stainless hardware kit, OEM-type belt tensioner with cover, serpentine drive belt
FAQ
What engines does this Front Runner system fit?
It's built for GM LT1 (Gen 5 small block) wet-sump engines.
Why is the water pump housing cast instead of billet?
The cast A356-T6 alloy housing integrates the compressor, alternator, and power steering mounting points into one low-profile piece that clears OEM and most aftermarket throttle bodies.
Does this kit include power steering?
Yes, it includes a power steering pump with a natural-finish housing.
What alternator output does this system provide?
A 170-amp alternator (140 amp at idle), with a 320-amp option available.
Are installation instructions included?
Yes, Vintage Air provides a PDF installation guide for this system.
