Circle Track Parts & Accessories

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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