Street and competition friendly this assembly is capable of handling up to 650WHP reliably. When you order this assembly we will follow up with a phone call or email to discuss the options which include bore size, compression ratio, balancing, etc. This kit is available for all 4G63 applications, 6 bolt or 7 bolt. Please select the appropriate option when ordering. Kit price includes an OEM crank remanufactured in-house by JAM. Each crank is hot tanked and inspected, magnafluxed, shot-peened, polished and mic’d. This kit is also available with optional Eagle or Manley cranks.
Your new kit will contain the following components:
- 88mm Forged Steel Crankshaft.
- Wiseco piston kit
- Eagle or Manley rods w/ARP 2000 series bolts
- ACL connecting rod & main bearings
- OEM thrust washers (included in 7 bolt kits only)
- ACL Racerod and main bearings (optional)
- Balancing (optional)
- Manley or Eagle crank (optional)