Standard Gap “Drop-In” Plasma Moly Piston Ring Sets By Application 6SHHG3UR¶VVWDQGDUGJDS³GURSLQ´SODVPDPRO\SLVWRQULQJVHWVPD\EHLQVWDOOHGULJKWRXWRIWKHER[ZLWKRXWWKHKDVVOHVRI¿OH¿W - ting. Sets include plasma moly-faced, ductile iron top rings, taper face iron second rings, and standard tension, stainless steel SS-50 oil rings. Please specify size/oversize (Standard, .020", .030", .040", .060") when ordering.
Standard Bore
Top Ring
2nd Ring
Oil Ring
Sizes Available
Engine
Part No.
Chevy
5/64" 1/16" 1/16"
5/64" 1/16" 1/16" 5/64" 1/16" 5/64" 1/16" 1/16"
3/16"
Standard, .030", .060"
SEAR9903
3/16" Standard, .020", .030", .040", .060" SEAR9902
302, 327, 350
4.000"
1/8"
Standard, .030", .060"
SEAR9968 SEAR10374 SEAR10375
3/16" 3/16"
.030", .060"
400
4.125" 5/64"
1/16"
Standard, .030", .040"
Ford 289, 302, 351W 351C, 351M, 400 4.000"
5/64" 1/16" 1/16"
3/16"
Standard, .030", .060" Standard, .030", .060"
SEAR9903 SEAR9968
1/8"
3/16" Standard, .020", .030", .040", .060" SEAR9902
302 (1986-94 Only)
4.000" 1.5mm 1.5mm 4.0mm
Standard, .030"
SEAR10471
Claimer Series Piston Ring Sets 5DFHSURYHQDQGVSHFL¿FDOO\HQJLQHHUHGIRURYDOWUDFNFODLPHUHQJLQHVHDFKVWDQGDUG¿WVHWLQFOXGHVVWDQGDUGRUPRO\IDFHG EHYHOHGWRSULQJVIRUKLJK530VHDOLQJWDSHUIDFHVHFRQGULQJVDQG66VWDLQOHVVVWHHOVWDQGDUGWHQVLRQRLOFRQWURO rings for maximum oil control. Please specify size/oversize (Standard, .030", .040", .060") when ordering.
Standard Bore
Top Ring
2nd Ring
Oil Ring
Sizes Available
Engine
Part No.
Chevy
1/16" Standard 1/16"
3/16"
Standard, .030", .060"
SEAR6902
302, 327, 350 4.000"
1/16" Moly 1/16" Moly
1/16"
3/16"
Standard, .030", .040", .060"
SEAR8902
1/16"
3/16"
.030", .040"
SEAR8375
Ford
4.000" 1/16"
3/16"
Standard, .030", .060"
SEAR6902
Standard 1/16"
289, 302, 351W
4.000" 1/16" Moly
1/16"
3/16"
Standard, .030", .040", .060"
SEAR8902
Powerforged Pistons VMS-75 alloy pistons are CNC-machined to tight tolerances, media-blasted and Duroshield coated. Avail- able in standard, +.020", +.030", +.040", and +.060" sizes. (Specify size after part number (xx)). Sold in weight matched sets of eight, with wrist pins.
Comp. Ratio
Comp. Height
Top Ring
2nd Ring
Oil Ring
Engine
Part No.
Available Sizes
Use
Chevy
302
SEAL2210AF30 SEAL2165Fxx SEAL2166AFxx
.030"
Race
12.0:1
1.805" 1.671" 1.675" 1.563" 1.565" 1.430" 1.605" 1.560" 1.605"
1/16" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64" 1/16" 1/16" 1/16" 1/16" 5/64" 5/64" 5/64" 5/64" 5/64" 5/64"
1/8"
.030", .040" .030", .040"
Street Street Street Street
8.9:1
3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16" 3/16"
327
10.2:1
SEAL2256Fxx Standard, .020", .030", .040", .060"
9.7:1
350
SEAL2252YF30 SEAL2491NFxx*
.030"
10.0:1 10.7:1
.030", .060"
Race/Stroker
Ford
289
SEAL2482Fxx SEAL2441F30 ‡ SEAL2482Fxx
.030", .040"
Street Street Street
9.1:1 6.7:1 9.1:1
302, 1973-76 302, 1968-72 And 1977-Up
.030"
.030", .040"
SEAL2488F30 †
.030"
Street/Strip
9.5:1
1.619" 1.5mm 1.5mm 4mm
351W
SEAL2446F30 ‡
.030"
Street
9.1:1
1.772"
5/64" 5/64"
3/16"
* Must use 400 crankshaft (3.750" stroke) and 350 rods (5.700" length). † Block with 8.206" deck height. ‡ Blocks with 8.229" deck height. Compression ratios are based on these combustion chambers: small block Chevy- 64cc, small block Ford- 63cc.
705
2019-20 CIRCLE TRACK PARTS AND ACCESSORIES
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