Bottom End, Conversion Gasket Set for Chevrolet 427, 454 & 502 Marine Engines, 17140

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$87.34
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Product details

Management number 204560472 Release Date 2025/10/30 List Price $43.67 Model Number 204560472
Category
Bottom End/Conversion Set for Chevrolet Big Block V8 - 427, 454 & 502 Marine Engines, 17140 for ChrisCraft, Crusader, Mercruiser, Volvo Penta, OMC and Pleasurecraft.

  • Fits various Chevrolet 427, 454 (7.4L), 454 Generation IV (7.4L), 502 (8.2L), & 502 (8.2L) Generation IV marine engines
  • Includes all gaskets and oil seals not found in a head set that are necessary for a complete engine overhaul
  • Includes oil pan gaskets and 2 Piece rear main bearing seals

See table below for compatible engine models

Compatible Engine Models
Chris-Craft Marine
454, 454 B, L (330hp)-Chevrolet 454 (7.4L)
Crusader Marine (Thermo Electron)
CH-320 (320hp)-Chevrolet 427
CH-350 (350hp), 454 (300hp)-Chevrolet 454 Generation IV (7.4L)
502 CID (355hp) Serial No. 88764 and below-Chevrolet 502 Generation IV (8.2L)
Flagship Marine
360 FMC (360hp), 380 FMC, (380hp), 454 (330hp)-Chevrolet 454 Generation IV, (7.4L)
400 FMC (400hp)-Chevrolet 502 (8.2L)
425 FAO (425hp)-Chevrolet 454 Generation IV (7.4L)
427 (300hp)-Chevrolet 427
Hardin Marine
330 (330hp), HM 333 (333hp), HM 405 (360hp)-Chevrolet 454 (7.4L) Generation IV
Indmar Marine
7.4 Litre, 7.4 Litre HO, 350, 350 SP (350hp); 400, 400 SP (400hp); 454-2 (330hp); 454-4 (360hp)-Chevrolet 454 Generation IV (7.4L)
Marine Power Inc. (Enpac. Jetpac. Sportpac)
454 (315, 320, 330, 340, 365, 380, 400, 440hp)-Chevrolet 454 Generation IV (7.4L)
502 (385, 410, 445, 450, 475hp)-Chevrolet 502 Generation IV (8.2L)
Mercruiser (Mercury Marine)
325 (325hp)-Chevrolet 427
7.4L Blue Water Inboard (310, 340hp) thru Serial No. D715493, 7.4L Bravo (300, 330hp) thru Serial No. D603117, 330 (330hp), 340 (340hp), 350 (350hp), 454 Magnum Alpha (330hp) Serial No. A631894 thru B785148, Chevrolet 454 (7.4L) Generation IV
370 TRS (370hp), 400 TRS (400hp), 454 Magnum Bravo (350, 365hp) Serial No. B721206 thru D805068-Chevrolet 454 (7.4L) Generation IV
HP420 (420hp), HP425 (385, 400, 425hp)-Chevrolet 454 (7.4L)
8.2L Inboard (400hp) thru Serial No. D857199, 502 Magnum Bravo (390hp) thru Serial Number D824588-Chevrolet 502 (8.2L) Generation IV
OMC
454 (330, 335hp), 454 King Cobra (275, 295, 310hp), 454 High Output King Cobra (370hp)-Chevrolet 454 (7.4L) Generation IV
502 King Cobra (375hp)-Chevrolet 502 (8.2L) Generation IV
Panther Jet Marine
400 + C (405hp); M-454 (333hp); 500 + 500 + 7 (430hp)-Chevrolet 454 (7.4L)
Pleasurecraft Marine
7.4 Liter (310hp), 7.4 Liter HO (360hp), 350 (350hp)-Chevrolet 454 Generation IV (7.4L)
Volvo-Penta Marine
740, 740 DP (300hp)-Chevrolet 454, Generation IV (7.4L)

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