Page 594 - 2018 Racecar Engineering Drag Racing Parts and Accessories Catalog

Standard Gap “Drop-In” Plasma Moly Piston Ring Sets By Application
Speed-Pro’s standard gap “drop-in” Plasma Moly piston ring sets may be installed right out-of-the-box. 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/over-
size (Std., .020", .030", .040", .060") when ordering.
Engine Std. Bore Top Ring 2nd. Ring Oil Ring Sizes Available Part No.
Chevy
5/64" 5/64" 3/16" Std., .030", .060" SEAR9903
302, 327, 350 4.000" 1/16" 1/16" 3/16" Std., .020", .030", .040", .060" SEAR9902
1/16" 1/16" 1/8" Std., .030", .060" SEAR9968
5/64" 5/64" 3/16" .030", .060" SEAR10374
400 4.125"
1/16" 1/16" 3/16" Std., .030", .040" SEAR10375
5/64" 5/64" 3/16" .030", .060" SEAR10374
402 4.125"
1/16" 1/16" 3/16" Std., .030", .040" SEAR10375
5/64" 5/64" 3/16" Std., .030", .060" SEAR9905
427, 454 4.250"
1/16" 1/16" 3/16" Std., .030", .060" SEAR9904
Chrysler
5/64" 5/64" 3/16" Std., .030", .060" SEAR9903
360 4.000"
1/16" 1/16" 3/16" Std., .020", .030", .040", .060" SEAR9902
5/64" 5/64" 3/16" Std., .030", .060" SEAR9905
383 4.250"
1/16" 1/16" 3/16" Std., .030", .060" SEAR9904
Ford
5/64" 5/64" 3/16" Std., .030", .060" SEAR9903
289, 302, 351W, 351C, 351M, 400 4.000" 1/16" 1/16" 1/8" Std., .030", .060" SEAR9968
1/16" 1/16" 3/16" Std., .020", .030", .040", .060" SEAR9902
302 (’86-94 Only) 4.000" 1.5mm 1.5mm 4.0mm Std., .030" SEAR10471
File-Fit Plasma Moly Piston Ring Sets By Bore Size
Speed-Pro offers a large selection of file-fit Plasma Moly piston ring sets by bore size. Sets include plasma moly-faced ductile iron
top rings, taper-face iron second rings and stainless steel SS-50 oil rings in standard or low tension. Please specify oversize (.005",
.035", .045", .065") when ordering.
Bore Dia. Ring Set No. Sizes Available No. Cylinders Top Ring 2nd. Ring Oil Ring Oil Ring Tension
3.875" SEAR9621 .035" 8 1/16" 1/16" 3/16" Std.
4.000" SEAR9343 .005", .025", .035", .045", .065" 8 5/64" 5/64" 3/16" Std.
4.000" SEAR9771 .005", .025", .035", .045", .065" 8 1/16" 1/16" 3/16" Std.
4.000" SEAR9401* .005", .025", .035", .045", .065" 8 1/16" 1/16" 3/16" Low
4.000" SEAR9786* .065" 8 .043" 1/16" 3/16" Low
4.000" SEAR20100 † .035" 8 .043" .043" 3mm Light
4.000" SEAR20107 † .035", .045" 8 1/16" 1/16" 3mm Light
4.000" SEAR10472 .035", .045" 8 1.5mm 1.5mm 4mm Std.
4.125" SEAR5879 .005", .035", .065" 8 5/64" 5/64" 3/16" Std.
4.125" SEAR10248 .005", .025", .035", .045", .065" 8 1/16" 1/16" 3/16" Std.
4.125" SEAR10202 .035", .045" 8 1/16" 1/16" 1/8" Std.
4.125" SEAR20109 † .005", .035" 8 .043" .043" 3mm Light
4.125" SEAR9346* .005", .025", .035", .045", .065" 8 1/16" 1/16" 3/16" Low
4.130" SEAR9280* .005" 8 1/16" 1/16" 3/16" Low
4.165" SEAR9349* .005", .035" 8 1/16" 1/16" 3/16" Low
4.250" SEAR9590 .005", .035", .065" 8 5/64" 5/64" 3/16" Std.
4.250" SEAR9745 .035", .065" 8 1/16" 1/16" 3/16" Std.
4.250" SEAR9344* .005", .035", .065" 8 1/16" 1/16" 3/16" Low
4.250" SEAR9788* 065" 8 .043" 1/16" 3/16" Low
4.250" SEAR10177* .065" 8 .031" 1/16" 3/16" Low
4.320" SEAR9224 .035", .065" 8 5/64" 5/64" 3/16" Std.
4.320" SEAR9798 .005", .035", .065" 8 1/16" 1/16" 3/16" Std.
4.320" SEAR9278* .005", .035", .065" 8 1/16" 1/16" 3/16" Low
4.360" SEAR10246 .005" 8 5/64" 5/64" 3/16" Std.
4.360" SEAR10601 .005", .035" 8 1/16" 1/16" 3/16" Std.
4.360" SEAR9374* .005", .035" 8 1/16" 1/16" 3/16" Low
4.375" SEAR9799 .005" 8 1/16" 1/16" 3/16" Std.
4.375" SEAR9406* .005" 8 1/16" 1/16" 3/16" Low
4.440" SEAR10133 .005", .035" 8 1/16" 1/16" 3/16" Std.
4.440" SEAR9332* .005" 8 1/16" 1/16" 3/16" Low
4.466" SEAR10575 .005" 8 2.0mm 1.5mm 4.0mm Std.
4.500" SEAR10451 .005", .035" 8 1/16" 1/16" 3/16" Std.
4.500" SEAR10317* .005", .035" 8 1/16" 1/16" 3/16" Low
4.500" SEAR10452 .005" 8 .043" 1/16" 3/16" Std.
4.500" SEAR10316* .005", .035" 8 .043" 1/16" 3/16" Low
4.563" SEAR10441 .005" 8 1/16" 1/16" 3/16" Std.
4.563" SEAR10318* .045" 8 .043" 1/16" 3/16" Low
4.563" SEAR10319* .005" 8 1/16" 1/16" 3/16" Low
4.600" SEAR20104* .005" 8 .043" .043" 3mm Low
4.625" SEAR10433 .005" 8 1/16" 1/16" 3/16" Std.
* Includes low tension oil ring package for drag racing only. † Includes light tension oil ring package for drag racing engines with crankcase evacuation systems.

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