Petty’s Garage has a complete lineup of performance HEMI engines all made in house in our state-of-the-art engine facility. Everything is precision machined on race quality engine building equipment. Our engines are built to withstand the most stressful environments imaginable. We initially test our combinations with our in-house engine dyno and calibrations staff. This ensures that our customer receive a proven engine combination that we feel comfortable putting Richard Petty’s name on.
Name | Displacement | Year | Bore | Stroke | Rod Length | Piston Material | Crankshaft Material | Compression Ratio | VVT | Block Construction | Main Line Fastner |
---|---|---|---|---|---|---|---|---|---|---|---|
Petty's Garage 6.4 Forged | 6.4 Liter, 392 CID | 2011 - Present | 4.090" | 3.724" | 6.200" | Mahle 2618 alloy Piston, Gas Ported | Stock Forged Steel | 9.5:1 - 11:1 | Yes | 6.4L, Cast Iron, Deep Skirt, Cross bolted Mains | ARP Studs 244-5400 |
Petty's Garage 6.4 to 426 | 7.0 Liter, 426 CID | 2011 - Present | 4.100" | 4.050" | 6.125" | Mahle 2618 alloy Piston, Gas Ported | 4340 Forged Steel | 9.5:1 - 11:1 | Yes | 6.4L, Cast Iron, Deep Skirt, Cross bolted Mains | ARP Studs 244-5400 |
Petty's Garage 6.4 to 448 | 7.4 Liter, 448 CID | 2011 - Present | 4.110" | 4.250" | 6.125" | Mahle 2618 alloy Piston, Gas Ported | 4340 Forged Steel | 11:1 | Yes | 6.4L, Cast Iron, Deep Skirt, Cross bolted Mains | ARP Studs 244-5400 |