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Performance Camshaft Specifications
Camshaft
Number		 Application Valve
Timing		 Lobe
Centers		 Valve
Clearance
IN     EX		 Duration
At This
Clearance		 Duration
At .050"
Clearance		 Overlap Lift
mm
ALFA ROMEO 4-CYLINDER
92640 1969-79 Injected Perf. 43-67  67-43 102°  102° .018"  .018" 290° 252° 86° 11.0
92644/
92645		 1980-89 Injected Perf. 30-80  67-43*
47-63  67-43†		 118°  102°*
98°  102°†		 .018"  .018" 290° 252° 73°
90°		 11.0
92691 Euro-spec Performance 41-60  54-35 99.5°  99.5° .018"  .021" 281° 230° 76° 10.1
92650 Carbureted Performance 48-72  72-48 102°  102° .014"  .014" 300° 252° 96° 11.0
ALFA ROMEO V6
08756 164S Stock Cam
(front head)§		 33-74  67-30‡ --  -- .019"  .009" Int. 287°‡
Exh. 277°‡		 -- 66°‡ Int. 10.1
Exh. 6.4
08755 164S Stock Cam
(rear head)§		 33-74  67-30‡ --  -- .019"  .009" Int. 287°‡
Exh. 277°‡		 -- 66°‡ Int. 10.1
Exh. 6.4
FIAT-LANCIA TWIN-CAM (124, 131, BETA)
92400 DOHC Performance Cam 40-80  80-40 110°  110° .016"  .016" 300° 248° 80° 10.35
92410 Autocross Cam 42-82  82-42 110°  110° .014"  .014" 304° 260° 84° 10.60
92430 Racing Only 48-67  67-48 99.5°  99.5° .016"  .016" 295° 270° 96° 11.35
Notes:
  *  At idle     †  Above 1650 RPM     §  Performance upgrade for GTV6, Milano 2.5 liter (see above)     ‡  At zero clearance


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International Auto Parts
PO Box 9036, Charlottesville, VA 22906
international-auto.com - 800-953-0813
sales@international-auto.com
All Technical Bulletins and Tech Tips contained on this website are based on our own experience, and are not necessarily "factory approved." While we make a reasonable effort to verify the information contained in them, we assume no liability for the use or misuse of the information offered.

*Overseas customers please note that our entire website is based on US-spec cars, as sold before the manufacturer left the US market: up to 1985 (Fiat/Lancia) and 1995 (Alfa Romeo). We do not carry parts for current models.