Powerforged Pistons VMS-75 alloy pistons are CNC-machined to tight tolerances, media blasted and DUROSHIELD coated. Available in std., +.030", +.040" and +.060" sizes (specify size after part number). Sold in weight matched sets of eight, with wrist pins. Engine Part No. Sizes Available Use
Comp. Ratio Comp. Height Top Ring 2nd Ring Oil Ring
Chevy
302 327
SEAL2210AF(xx) SEAL2165F(xx) SEAL2166NF(xx) SEAL2403NF(xx) SEAL2256F(xx) SEAWL2256F(xx) SEAL2490NF(xx) SEAL2304F(xx) SEAL2252YF(xx) SEAL2240NF(xx) SEAL2242NF(xx) SEAL2328NF(xx) SEAL2300NF(xx) SEAL2268NF(xx) SEAL2453F(xx) SEAL2377F(xx) SEAL2399NF(xx) SEAL2465F(xx) SEAL2349F(xx) SEAL2316F(xx) SEAL2315NF(xx) SEAL2355F(xx) SEAL2266F(xx) SEAL2295F(xx) SEAL2482F(xx) SEAL2441F(xx) ‡ SEAL2446F(xx) SEAL2379F(xx) SEAL2291F(xx) SEAL2303NF(xx) SEAL2366F(xx) SEAL2404F(xx) SEAL2443NF(xx) SEAL2320F(xx) SEAL2323F(xx) SEAL2262F(xx) SEAL2359NF(xx)
.030"
Race Street Street Street Street Street Street Race
12.0:1 8.9:1 10.2:1 9.0:1 9.6:1 9.7:1 9.9:1 10.5:1 11.8:1 8.2:1 10.5:1 10.5:1 8.6:1 10.1:1 7.5:1 7.7:1 8.8:1 9.7:1 10.1:1 10.2:1 9.6:1 10.0:1 9.2:1 11.34:1
1.805" 1.671" 1.675" 1.562" 1.563" 1.563" 1.565" 1.560" 1.560" 1.760" 1.765" 1.765" 1.767" 1.765" 1.640" 1.640" 1.645" 1.640" 1.645" 1.840" 1.920" 2.061" 1.991" 2.029" 1.605" 1.560" 1.605" 1.772" 1.647" 1.776" 1.674" 1.890" 1.756" 1.756" 1.612" 1.735" 1.714" 1.497"
1/16" 5/64" 5/64" 5/64" 5/64" 1/16" 1/16" 5/64" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64"
1/16" 5/64" 5/64" 5/64" 5/64" 1/16" 1/16" 5/64" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 3/32" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 1/16"
1/8" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 1/8" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16"
.030", .040" .030", .040"
.030"
Std., .020", .030", .040", .060"
.030", .040"
350
.030" .030" .030" .030" .030" .030"
Street/Strip
.030", .060"
Street/Closed Chamber Street/Closed Chamber Street/Closed Chamber
396 402 427
Street Street Street Street
.030", .060" .030", .060" .030", .060" .030", .060" .030", .060" .030"
454
Street/Open Chamber Street/Open Chamber Street/Closed Chamber
Chrysler
340 383
.030", .040"
Street Street Street Street Race Street Street Street Street Street Street Street Street Street Race Street Street Street Street
.030" .030" .030" .030"
440
Ford
289
.030", .040"
8.6:1 6.9:1 8.5:1 9.0:1
302, 1973-76
.030"
302, 1968-72 And 1977-Up SEAL2482F(xx) †
.030", .040"
.030" .030" .030" .030" .030" .030"
351W
10.0:1 9.7:1 10.5:1 10.7:1 9.2:1 10.7:1
351 Cleveland
.030", .040"
390 “FE” 428 “FE”
429 460
Oldsmobile 350
.030"
9.5:1 9.5:1 8.5:1 9.9:1
455
.030", .040"
Pontiac
400 455
.030", .040", .060"
3/16"
.030", .060" 3/16" * Must use 400 crankshaft (3.750" stroke) and 350 rods (5.700" length). † Blocks with 8.206" deck height. ‡ Blocks with 8.229" deck height. Compression ratios are based on these combustion chambers: Buick - 68cc, small block Chevy - 64cc, big block Chevy - 116cc, small block Chrysler - 63cc, big block Chrysler - 78.5cc, small block Ford - 63cc, Ford “FE” 390/428 - 68cc, big block Ford 429/460 - 77cc, Olds 350 - 70cc, Olds 455 - 80cc, Pontiac - 87cc
Green Plastigauge SEASPG1-12 The quick, easy way to de- termine bearing clearances of .001"-.003". Twelve strips per package.
Camshaft And Lifter Prelube SEA55-400 Assembly lube is formulated for excellent break-in protection and will quickly dissolve in oil after engine has warmed. 4 oz. bottle.
SHELBY KINGSLEY
SHELBY KINGSLEY
593
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