Page 446 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

SB Chevy 350/400 23° Dome SB Chevy
High-compression pistons are compatible 350/400 23° Flat-Top
with most stock, aftermarket, and angle-milled Low-friction pistons with double-forced
cylinder heads. Valve reliefs accommodate oversized valves pin oilers and annular oil reservoirs will
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oil rings. Sold in sets of eight and include .927" x 2.750" (130 5HTXLUHV WRS VHFRQG DQG
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Part No. Bore Stroke Length Ratio Volume
350 Pistons with double spiral locks.
JEP182005 4.030" 3.750" 6.000" 13.3:1 +9.5cc Rod Comp. Dome
JEP182006 4.040" 3.750" 6.000" 13.7 +11cc Part No. Bore Stroke Length Ratio Volume
JEP182012 4.030" 3.500" 6.000" 13.1:1 +13cc 350 Pistons
JEP182014 4.040" 3.500" 6.000" 13.2:1 +13cc JEP181916 4.030" 3.500" 6.000" 10.3:1 -5 cc
JEP182015 4.060" 3.500" 6.000" 13.5:1 +13.5cc 400 Pistons
400 Pistons JEP242886 4.125" 4.000" 6.000" 12.2:1 -5cc
JEP182024 4.125" 4.000" 6.000" 13.4:1 +3cc JEP194339 4.155" 4.000" 6.000" 12.3:1 -5cc
JEP182027 4.155" 4.000" 6.000" 13.5:1 +3cc Notes: Compression ratios are based on a 64cc combustion chamber.
JEP182028 4.165" 4.000" 6.000" 13.7:1 +3cc The 350 pistons listed above fit both 3.480" and 3.500" strokes.
JEP182032 4.165" 4.000" 6.000" 14.6:1 +8cc
JEP182033 4.125" 3.875" 6.000" 13.5:1 +5.6cc
JEP182036 4.155" 3.875" 6.000" 13.2:1 +3cc SB Chevy 23° F.S.R. Tour Series GP
JEP182037 4.165" 3.875" 6.000" 13.3:1 +3cc
JEP182038 4.125" 3.875" 6.000" 14.1:1 +8cc Lightweight, lateral gas-ported pistons
JEP182039 4.130" 3.875" 6.000" 15.0:1 +10.8cc are engineered for circle track applications
JEP182041 4.155" 3.875" 6.000" 14.1:1 +8cc ZLWK XS WR KRUVHSRZHU 3LVWRQV XVH DQ
JEP182042 4.165" 3.875" 6.000" 14.2:1 +8cc aggressive, raised ring competition-only
JEP182052 4.165" 3.800" 6.000" 14.5:1 +10.8cc design for maximum performance. Re-
JEP182053 4.125" 3.750" 6.000" 12.7:1 +3cc quires .043" top, .043" second, and 3.0mm
JEP182058 4.125" 3.750" 6.000" 13.6:1 +8cc
JEP182061 4.155" 3.750" 6.000" 13.7:1 +8cc oil rings. Sold in sets of eight, complete
JEP182063 4.125" 3.625" 6.000" 14.1:1 +12.9cc ZLWK [ JUDPV ZULVW SLQV DQG ZLUH ORFNV
JEP182065 4.155" 3.625" 6.000" 14.3:1 +12.9cc Rod Comp. Dome
JEP182067 4.125" 3.500" 6.000" 13.8:1 +13cc Part No. Bore Stroke Length Ratio Volume
JEP182069 4.155" 3.500" 6.000" 13.8:1 +13cc JEP258028 4.030" 3.500" 6.000" 10.4:1 -5.0cc
JEP207513 4.185" 4.000" 6.000" 14.8:1 +8cc JEP258029 4.035" 3.500" 6.000" 10.4:1 -5.0cc
Notes: Compression ratios are based on a 64cc combustion chamber. All of JEP258030 4.040" 3.500" 6.000" 10.4:1 -5.0cc
the 350 pistons fit both 3.480" and 3.500" strokes. JEP258031 4.045" 3.500" 6.000" 10.5:1 -5.0cc
Note: Compression ratios are based on a 64cc combustion chamber. The 350
pistons listed above fit both 3.480" and 3.500" strokes.
SB Chevy 400 18° Flat Top
Engineered for use on small block Chevy
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GHVLJQ DQG &1& PDFKLQHG ULQJ JURRYHV WKDW DFFHSW Chevy 400 pistons utilize deep valve reliefs
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bility with oversized valves and long duration camshafts. Sold smaller combustion chambers. Pistons ac-
in sets of eight and include oil rail supports, .927" x 2.750" (130 cept 1.2, 1.5, and 3.0mm rings for reduced
JUDP ZULVW SLQV DQG GRXEOH VSLUDO ORFNV friction, and lateral gas ports are used to
Rod Comp. Dome increase combustion sealing. Sold in sets of eight with .927" x
Part No. Bore Stroke Length Ratio Volume
JEP181957 4.125" 3.875" 6.000" 13.1:1 -6.0cc JUDPV ZULVW SLQV DQG GRXEOH VSLUDO ORFNV
JEP181960 4.155" 3.875" 6.000" 13.2:1 -6.0cc Rod Comp. Dome
Note: Compression ratios are based on a 55cc combustion chamber. Part No. Bore Stroke Length Ratio Volume
JEP281793* 4.125" 3.800" 6.000" 15.1 -4.5
SB Chevy 400 18° Dome JEP281800* 4.140" 3.800" 5.850" 15.2 -4.5
* Compression ratios are based on a 45cc combustion chamber.
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improved compatibility with a wide variety of
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bic inch, high-compression Dirt Late Models,
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and feature valve reliefs that are compatible
with oversized valves and long-duration camshafts. Sold in sets
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wrist pins, and double spiral locks.
Rod Comp. Dome
Part No. Bore Stroke Length Ratio Volume
JEP213110 4.135" 3.875" 6.000" 14.7:1 +2.5cc
JEP213111 4.145" 3.875" 6.000" 14.7:1 +2.5cc
JEP213121 4.145" 3.750" 6.000" 14.4:1 +2.5cc
Note: Compression ratios are based on a 55cc combustion chamber. TANNER ENGLISH TODD HEALY
442 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES