Some parts are not legal for sale or use on emission-controlled motor vehicles
PERFORMANCE VALVETRAIN
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov STAINLESS STEEL PERFORMANCE VALVES
Engine Pro Group
STREET SERIES
COMPETITION SERIES
• • •
One Piece Forging Stainless Steel 21-2N
• • •
Undercut Stems Fully Machined Hardenend Wafer Tip
• Hard Chrome Plated Stems • High-Strength 21-4N Stainless Alloy
• •
Hardened Wafer Tip
Swirl-Polished For Improved Flow
Hard Chrome Plated Stems
Head Stem Installed Overall
Tip
8-Pack Each
Head Stem Installed Overall
Tip
8-Pack Each
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Small Block Chevy EXH 1.500 11/32” STOCK 4.910 .250 01-1000 EXH 1.600 11/32” STOCK 4.910 .250 01-1001 EXH 1.600 11/32” +100 5.010 .250 01-1001-100 EXH 1.650 11/32" +.150 5.060 .250 01-1052-150 INT 1.940 11/32” STOCK 4.910 .250 01-1002 EXH 1.500 11/32" +100 5.010 .256 01-1000-100 INT 2.020 11/32” STOCK 4.910 .250 01-1003 INT 2.020 11/32” +100 5.010 .250 01-1003-100 INT 2.055 11/32” STOCK 4.910 .250 01-1007 INT 2.055 11/32” +100 5.010 .250 01-1007-100 INT 2.080 11/32” STOCK 4.910 .250 01-1008 INT 2.080 11/32” +100 5.010 .250 01-1008-100 Big Block Chevy EXH 1.720 3/8” STOCK 5.352 .250 01-1011 EXH 1.880 3/8” STOCK 5.352 .250 01-1004 INT 1.940 11/32" +100 5.010 .256 01-1002-100 INT 2.065 3/8” STOCK 5.228 .250 01-1010 INT 2.190 3/8” STOCK 5.228 .250 01-1005 EXH 1.880 11/32" +100 5.425 .250 01-1014-100 Big Block Chrysler EXH 1.740 3/8” STOCK 4.910 .290 01-1311 INT 2.080 3/8” STOCK 4.875 .290 01-1310 Small Block Ford EXH 1.460 11/32” STOCK 5.070 .395 01-1102 INT 1.780 11/32” STOCK 5.070 .395 01-1101 Ford 351C, Boss 302, 429, 460 EXH 1.710 11/32” STOCK 5.060 .250 01-1108 EXH 1.760 11/32” STOCK 5.060 .250 01-1109 INT 2.070 11/32" STOCK 5.275 .250 01-1110 Ford 351W & GT40 EXH 1.550 11/32” STOCK 5.075 .395 01-1311 Pontiac 400-455 EXH 1.770 11/32” STOCK 5.110 .250 01-1500 INT 2.110 11/32” STOCK 5.095 .250 01-1501 INT 2.250 11/32" INT 2.190 11/32" INT 2.250 3/8" +100 5.300 .250 01-1115-100 STOCK 5.271 .225 01-1032 +050 5.271 .250 01-1107-050
Small Block Chevy EXH 1.500 11/32” STOCK 4.910 .250 EXH 1.500 11/32" +050 4.960 .250 EXH 1.600 11/32” STOCK 4.910 .250 EXH 1.600 11/32" +050 4.960 .250 EXH 1.600 11/32” +100 5.010 .250 EXH 1.600 11/32" +150 5.060 .250 EXH 1.600 11/32" +250 5.160 .250 INT 1.940 11/32” STOCK 4.910 .250 INT 1.940 11/32" +050 4.960 .250 INT 1.940 11/32" +050 4.960 .250 INT 2.020 11/32” STOCK 4.910 .250 INT 2.020 11/32" +050 4.960 .250 INT 2.020 11/32” +100 5.010 .250 INT 2.055 11/32” +100 5.010 .250 INT 2.055 11/32" +150 5.060 .250 INT 2.080 11/32” +100 5.010 .250 INT 2.080 11/32" +150 5.060 .250 EXH 1.880 11/32” +100 5.421 .250 EXH 1.880 11/32" +150 5.471 .250 INT 2.250 11/32” +250 5.478 .250 INT 2.300 11/32” +250 5.478 .250 LS Chevy INT 2.000 .3137 STOCK 4.900 .160 INT 2.020 .3137 STOCK 4.900 .160 INT 2.190 3/8” STOCK 5.228 .250 INT 2.165 .3137 STOCK 4.900 .160 INT 2.200 .3137 STOCK 4.900 .160 EXH 1.550 .313 STOCK 4.915 .160 EXH 1.570 .313 STOCK 4.915 .160 EXH 1.600 .313 STOCK 4.915 .160 Big Block Chevy EXH 1.880 3/8” STOCK 5.352 .250
01-2000
6.38 5.74 6.67 6.00 6.38 5.74 6.08 5.47 6.67 6.00 6.88 6.19 6.48 5.83 6.88 6.19 6.88 6.19 6.88 6.19 6.88 6.19 7.38 6.64 7.48 6.73 7.18 6.46 6.88 6.19 7.18 6.46 7.18 6.46 7.58 6.82 7.78 7.00 7.28 6.55 7.66 6.89 7.50 6.75 7.18 6.46 7.18 6.46 7.08 6.37 7.08 6.37 8.45 7.61 7.78 7.00
9.58 8.62 10.28 9.25 9.58 8.62 9.37 8.43 9.58 8.62 10.87 9.78 9.37 8.43 9.58 8.62 9.37 8.43 10.28 9.25 9.58 8.62 9.50 8.55 9.58 8.62 9.98 8.98 9.98 8.98 9.98 8.98 10.78 9.70 10.78 9.70 11.08 9.97 11.08 9.97 10.78 9.70 10.88 9.79 10.88 9.79 9.29 8.36 10.38 9.34 11.25 10.13 11.25 10.13 10.38 9.34 10.38 9.34 10.38 9.34 10.68 9.61 10.68 9.61
01-2062-050
01-2001
01-2001-050 01-2001-100 01-2001-150 01-2001-250 01-2002-050 01-2061-050 01-2002 01-2003-050 01-2003-100 01-2007-100 01-2007-150 01-2008-100 01-2008-150 01-2003 01-2014-100 01-2014-150 01-2012-250 01-2013-250 01-2005 01-2004
01-2220 01-2202 01-2231 01-2232 01-2204 01-2200 01-2201 01-2300 01-2301
7.08 6.37
Ford FE INT 2.090 3/8" EXH 1.655 3/8"
STOCK 5.450 .330 STOCK 5.435 .330
7.36 6.62 7.36 6.62
NITRO BLACK COMPETITION SERIES VALVES
• Proprietary Liquid Nitriding process provides smoother, stronger surface & less valve and guide wear • Greater surface hardness reduces cracking • 21-4N high strength stainless alloy •
One-piece forging with wafer tip includes fully undercut stem • Greatly improved corrosion resistance, even with exotic fuels • Swirl polished for improved flow characteristics
Head Stem Installed Overall
Tip
8-Pack Each
Head Stem Installed Overall
Tip
8-Pack Each
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Small Block Chevy EXH 1.600” 11/32” STOCK 4.910” 0.250” 01-3001 EXH 1.600” 11/32” +100 5.010” 0.250” 01-3001-100 INT 2.020” 11/32” STOCK 4.910” 0.250” 01-3003 INT 2.020” 11/32” +100 5.010” 0.250” 01-3003-100 INT 2.055” 11/32” +100 5.010” 0.250” 01-3007-100 INT 2.080” 11/32” +100 5.010” 0.250” 01-3008-100 Big Block Chevy EXH 1.880” 3/8” STOCK 5.352” 0.250” 01-3004 EXH 1.880” 11/32” +100 5.452” 0.250” 01-3014-100
Big Block Chevy Con't INT 2.190” 3/8” STOCK 5.228” 0.250” 01-3005 INT 2.250” 11/32” +250 5.478” 0.250” 01-3012-250 INT 2.300” 11/32” +250 5.478” 0.250” 01-3013-250 LS1 Block Chevy (Bead Block) EXH 1.570” 0.313” STOCK 4.890” 0.160” 01-3200 EXH 1.600” 0.313” STOCK 4.890” 0.160” 01-3201 INT 2.020” 0.314” STOCK 4.880” 0.160” 01-3202 INT 2.041” 0.314” STOCK 4.880” 0.160” 01-3206 INT 2.055” 0.314” STOCK 4.880” 0.160” 01-3207
12.88 11.59 12.38 11.14 12.38 11.14 12.38 11.14 13.38 12.04 13.48 12.13 12.38 11.14 12.88 11.59
12.88 11.59 14.35 12.92 14.58 13.12 12.98 11.68 12.98 11.68 11.46 10.31 12.98 11.68 12.98 11.68
DIESEL PERFORMANCE VALVES Head Stem Installed Overall Tip
PERFORMANCE SERIES VALVES Head Stem Installed Overall Tip
8-Pack Each
8-Pack Each
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Type Dia.
Dia.
Height
Length Length Part #
EPWI
Elite
Dodge/Cummins ISB 5.9L EXH 1.299 .2756" INT 1.299 .2756" Ford 6.0L Powerstroke EXH 1.102 .2738" INT 1.139 .2738" Ford 6.4L Powerstroke EXH 1.161 .2734" INT 1.339 .2736" Ford 6.7L Powerstroke EXH 1.195 .2748" INT 1.331 .2748" Ford 7.3L Powerstroke EXH 1.681 .3122" INT 1.681 .3122" GM 6.6L Duramax EXH 1.220 .2730"
Small Block Chevy EXH 1.500 11/32" EXH 1.600 11/32" INT 1.940 11/32" INT 2.020 11/32"
4.08 3.67 4.18 3.76 4.48 4.03 4.58 4.12
Stock 4.910 .250 01-500 Stock 4.910 .250 01-501 Stock 4.910 .250 01-502 Stock 4.910 .250 01-503
20.37 18.33 8.26 7.43 18.18 16.36 8.63 7.77 18.38 16.54 8.56 7.70 18.57 16.71 8.61 7.75 22.47 20.22 10.42 9.38
4.893" 4.907" 5.059" 5.059" 5.138" 5.138" 5.242" 5.242" 5.801" 5.798"
.299" .299" .358" .358" .433" .433" .699" .699" .289" .339"
45° 01-4991 30° 01-4990 37° 01-4985 30° 01-4984 39.3° 01-4987 37° 01-4986 29.3° 01-4989 29.3° 01-4988 37.3° 01-4983 30° 01-4982
SEVERE DUTY VALVES Exotic Inconel® “superalloy” features superior heat resistance, high temperature corrosion resistance, toughness and strength Specially designed for use in marine, supercharged and exotic fuel applications Head Stem Installed Overall Tip 8-Pack Each Type Dia. Dia. Height Length Length Part # EPWI Elite EXH 1.890” 3/8” +.048” 5.400” .250” 01-4301 23.38 21.04 EXH 1.880” 11/32” +.098” 5.450” .250” 01-4312 23.38 21.04 EXH 1.890” 11/32” +.098” 5.450” .250” 01-4313 23.38 21.04
18.62 16.76
4.965"
.519"
45° 01-4995
EPWI WINTER 2020-2021 • 19
Prices shown are for the continental USA. Prices in Alaska & Hawaii may vary
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