Description
This remanufactured GM 7.4L (454cid) marine engine (Gen IV block) fits most 1977 to 1990 applications with 2-piece rear main seal and standard rotation.
Short block includes crankshaft, connecting rod and piston assembly
Additional core fee charges may apply : 650$
Crusader Marine 454; Crusader Marine CH-350
Flagship Marine 360 FMC; Flagship Marine 380 FMC; Flagship Marine 425 FAO; Flagship Marine 454; Flagship Marine 525 FAS
Hardin Marine 330; Hardin Marine HM 333; Hardin Marine HM 400; Hardin Marine HM 405; Hardin Marine HM 425
Indmar Marine 350L; Indmar Marine 350 SP; Indmar Marine 400; Indmar Marine 400 SP; Indmar Marine 454-2; Indmar Marine 454-4; Indmar Marine 7.4L;
Indmar Marine 7.4L HO
Marine Power 454; Marine Power 454 BM; Marine Power 454 L
Mercury Marine 330; Mercury Marine 340; Mercury Marine 350; Mercury Marine 370 TRS; Mercury Marine 400 TRS; Mercury Marine 454 MAGNUM ALPHA;
Mercury Marine 454 MAGNUM BRAVO; Mercury Marine 7.4L BLUE WATER INBOARD; Mercury Marine 7.4L BRAVO; Mercury Marine HP420; Mercury Marine HP425
OMC 454; OMC 454 HIGH OUTPUT KING COBRA; OMC 454 KING COBRA
Pleasure Marine 350; Pleasure Marine 7.4L; Pleasure Marine 7.4L HO
Thermo-Electron 454; Thermo-Electron CH-350
Volvo-Panta 740; Volvo-Panta 740 DP
Other Details
Notes: Gen IV block, 2-piece rear main seal, Round intake port, Flat tappet, Standard rotation
Details: This block is completely machined in our CNC machining center. It is align honed and torque plate honed. The block is assembled with brass frost plugs and is pressure tested.
Features
- Short Block
- 1977
- 1978
- 1979
- 1980
- 1981
- 1982
- 1983
- 1984
- 1985
- 1986
- 1987
- 1988
- 1989
- Flagship Marine
- Hardin Marine
- MerCruiser
- Mercury Marine
- V8
- 7.4L
- 454
- Brass frost plugs
- Flat tappet marine camshaft
- HD timing set
- Hypereutectic pistons
- Moly piston rings
- 286
- 289
- 293
- 321
- 445
- 775
- 959