Internal Engine System

Replaces: 43713

For: Alpha Gen II, All Bravo

55, 100, 125 HP V4 Crossflow (1971-72)

Replaces:Mercruiser: 27-49955, 27-8M0077608, 49953, 49955, 8M0077608; Volvo: 3851981, 3853469; Bombardier: 0508591, 3851981; Yamaha: YSC10231400C, YSG-14090-90-8G, YSG14090908G

Replaces: 27-85817A1

For: Mercruiser GM 350 CID (5.7L)

Replaces: Volvo: 835540; Mercruiser: 938-4625, 938-7358, 938-7499

Fits: 5.7L V-8 GM(1967-85) with press in rocker arm studs with 12 intake manifold mounting bolts, perimeter mount valve cover

Replaces:

Volvo: 3860201; Mercruiser: 807757T

3" OD Serpentine for 13/16" width belt,

For Late model GM V6 & V8 engines

Small-block GM with vortec cylinder heads with brass lined water jackets

5.7 vortec

Replaces: 26-88416

Fits: 120/140(1978-82), 165 (1978-81), 260 (1978-82), 470 (1978-82), 485 (1980-82), 898/228 (1978-82), Alpha I/Gen II (1991 & Up), Blackhawk (1994-95), Bravo I/II/III (1988-98), R/MR/Alpha One Sterndrive and Transom (1983-90)

Replaces: 24-17997A1

Sprint Kit

For: Alpha I Generation II and Bravo I, II and III Drives

Replaces: 27-49949

For: Mercruiser 160/165 (6 cyl.)

Replaces: 938-883490 1

Fits: 5.7L V-8 GM(1987-95) with press in rocker arm studs with 12 intake manifold mounting bolts- (4 inside intake manifold bolts at 23 degrees), center mount valve covers

Replaces: 27-52550

For: Mercruiser GM 454/502 CID Eng; (7.4L and 8.2L)

Replaces: 938-883297 1,938-803860T

Fits:5.7L V-8 GM Vortec (1996-Up) with press in rocker arm studs with 8 intake manifold mounting bolts, composite valve cover