ENGINE YRS  APPLICATION OEM  HDX PG PG Force 9.5  Force 10.5  RTrack  SIZE SPLINE
SET SET SET HD SET Dual Disc Dual Disc Dual Disc
FIERO 4 CYL.
2.5L 84 88 ALL 88671 - 98671 - - - - 8.5 1-14
2.5L - 84 4 SPEED 88709 - 98709 - - - - 9 1/8 1-14
FIERO 6 CYL.
2.8L 86 88 5 SPEED 88644 88644HD 98644 - - - - 9 1/8 1-14
2.8L 85 86 4 SPEED 88709 - 98709 - - - - 9 1/8 1-14
FIREBIRD 4 CYL.
2.5L 83 84 4 SPEED 88705 - 98705 - - - - 9 1/8 1 1/8-10
2.5L 83 84 5 SPEED 88706 - 98706 - - - - 9 1/8 1-14
2.5L 85 86 - 88755 - 98755 - - - - 9 1/8 1-14
FIREBIRD 6 CYL.
ALL 79 81 229,231 C.I. 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
3.8L 96 02 FROM 8/97 88900 - 98900 - - - - 9 3/4 1 1/8-26
3.4L 93 95 - 88485 - 98485 - - - - 9 3/4 1 1/8-26
3.1L 90 92 5 SPEED 88672 - 98672 - - - - 9 1/8 1-14
250 68 69 1 BBL. OE IS 10" 88643 88760HDX 98760 98760HD - - - 10.4 1 1/8-10
250 68 69 4 BBL 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
231 - 77 2BBL 4SPD .125 FW DEPTH 88508 - 98508 - - - - 9 1/8 1 1/8-10
231 - 78 - 88643 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
231 - 77 OE IS 10" 88643 88760HDX 98760 98760HD - - - 10.4 1 1/8-10
230 - 67 1 BBL. OE IS 10" 88643 88760HDX 98760 98760HD - - - 10.4 1 1/8-10
230 - 67 4 BBL. 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
2.8L - 84 173 C.I. 10 SPL. 88703 - 98703 - - - - 9 1/8 1 1/8-10
2.8L 82 83 4 SPEED 88703 - 98703 - - - - 9 1/8 1 1/8-10
2.8L 83 84 173 C.I. 5 SPD 14 SPLINE 88704 - 98704 - - - - 9 5/8 1-14
2.8L 85 89 173 C.I. 88755 - 98755 - - - - 9 1/8 1-14
FIREBIRD 8 CYL.
5.7L 93 97 COVER W/ BEARING 88516 88516HDX 98516 98516HD 75-2160 80-2160 90-2160 11.0 1 1/8-26
5.7L 98 02 MODULAR  88931 88931HDX 98931 98931HD 75-2100 80-2100 90-2100 11.0 1 1/8-26
5.0L 82 92 W/ 10 1/2" CLUTCH 88730 88730HDX 98730 98730HD 75-2155 80-2155 90-2155 10.5 1 1/8-26
5.0L 79 81 305 C.I. 4 SPEED 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
5.0L   81 305 C.I. CALIF. ONLY 88761 88761HDX 98761 98761HD - - - 10.5 1 1/8-26
5.0L   81 EXC. CALIFORNIA 88764 88764HDX 98764 98764HD - - - 11.0 1 1/8-26
455 73 76 4 SPEED 4 BBL 88764 88764HDX 98764 98764HD 75-2410 / 2.75" crank pilot 80-2410 / 2.75" crank pilot 90-2410 / 2.75" crank pilot 11.0 1 1/8-26
400 71 72 3 SPEED RAM AIR 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
400 67 68 3 & 4 SPEED RAM AIR 88760 88760HDX 98760 98760HD 75-2400 / 2.75" crank pilot 80-2400 / 2.75" crank pilot 90-2400 / 2.75" crank pilot 10.5 1 1/8-10
400 71 77 4 SPEED 4 BBL 88761 88761HDX 98761 98761HD 75-2410 / 2.75" crank pilot 80-2410 / 2.75" crank pilot 90-2410 / 2.75" crank pilot 10.5 1 1/8-26
400 77 79 3 & 4 SPEED 88764 88764HDX 98764 98764HD - - - 11.0 1 1/8-26
4.9L   80 301 C.I. 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
350 71 74 2 BBL 4 SPEED 88509 - 98509 - - - - 10.5 1 1/8-26
350 68 77 2 BBL 3 SPEED 88643 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
350 - 78 - 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
350 69 71 H.O. 88760 88760HDX 98760 98760HD 75-2400 / 2.75" crank pilot 80-2400 / 2.75" crank pilot 90-2400 / 2.75" crank pilot 10.5 1 1/8-10
350 75 77 2 & 4 BBL 4 SPEED 88761 88761HDX 98761 98761HD - - - 10.5 1 1/8-26
326 - 67 - 88760 88760HDX 98760 98760HD 75-2400 / 2.75" crank pilot 80-2400 / 2.75" crank pilot 90-2400 / 2.75" crank pilot 10.5 1 1/8-10
305 77 78 - 88643 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
301 - 77 - 88760 88760HDX 98760 98760HD - - - 10.5 1 1/8-10
301 - 79 ALL 88761 88761HDX 98761 98761HD - - - 10.5 1 1/8-26
GTO  8 CYL.
LS1, LS2 04 06 LS1, LS2 88931 88931HDX 98931 98931HD 75-2100 80-2100 90-2100 11 1 1/8-26
350 70 71 4 BBL 88760 88760HDX 98760 98760HD 75-2400 / 2.75" CRANK PILOT 80-2400 / 2.75" CRANK PILOT 90-2400 / 2.75" CRANK PILOT 10.5 1 1/8-10
389 64 66 ALL 88760 88760HDX 98760 98760HD 75-2400 / 2.75" CRANK PILOT 80-2400 / 2.75" CRANK PILOT 90-2400 / 2.75" CRANK PILOT 10.5 1 1/8-10
400 67 70 3&4 SPEED 88760 88760HDX 98760 98760HD 75-2400 / 2.75" CRANK PILOT 80-2400 / 2.75" CRANK PILOT 90-2400 / 2.75" CRANK PILOT 10.5 1 1/8-10
400 71 72 4 BBL W/ 10 spline input 88760 88760HDX 98760 98760HD 75-2400 / 2.75" CRANK PILOT 80-2400 / 2.75" CRANK PILOT 90-2400 / 2.75" CRANK PILOT 10.5 1 1/8-10
400 71 74 4 BBL W/ 26 spline input 88761 88761HDX 98761 98761HD 75-2410 / 2.75" CRANK PILOT 80-2410 / 2.75" CRANK PILOT 90-2410 / 2.75" CRANK PILOT 10.5 1 1/8-26
455 - 70 4 BBL 3 SPEED 88762 88762HDX 98762 98762HD 75-2400 / 2.75" CRANK PILOT 80-2400 / 2.75" CRANK PILOT 90-2400 / 2.75" CRANK PILOT 11 1 1/8-10
455 71 73 4 SPPED 88764 88764HDX 98764 98764HD 75-2410 / 2.75" CRANK PILOT 80-2410 / 2.75" CRANK PILOT 90-2410 / 2.75" CRANK PILOT 11 1 1/8-26

 

 

 

 

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