Page 10 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

MAIN BEARING CAPS

Steel Main Caps (Cont.)
Howards Main Caps
Billet main caps are CNC-machined from low-carbon 1020 material. They come available as stock replacements (straight bolt) or
with splayed outer bolt holes. Splayed caps feature 10° angled outer holes to positively reinforce and tie the block together.
Part No. Application Caps Block Register
HRCH350F SBC Front Main Cap 2-Bolt 2 or 4-Bolt Stock
HRCH350FS SBC Front Main Cap Support Strap — — —
HRCH350RSWS SBC 350 Rear Main Cap Support Strap — — —
HRCH350RWS SBC 350 Rear Main Cap - Wet Sump 2-Bolt 2 or 4-Bolt Stock
HRCH350R SBC 350 Center Main Caps 4-Bolt 4-Bolt Stock
HRCH350S SBC 350 Splayed Center Caps 4-Bolt 2-Bolt Stock
HRCH454 BBC Center Main Caps 4-Bolt 2-Bolt Stock

Pro-Gram Billet Main Bearing Caps
Billet main caps offer increased bottom end strength. Many of the billet caps listed are for converting a two-bolt main block
to the more durable four-bolt main configuration.
Part No. Description Caps Block Register
AMC
PGEAMC401CSA 401 V8 Splayed Center Main Caps 4-Bolt 2-Bolt Stock Step
Buick
PGEB4.1V6C 3.8L/4.1L V6 Center Main Caps 2-Bolt 2-Bolt Stock Step
Chevrolet Small Block 327-400 PGESB350CFS4
PGESB350F 327-350 Front Cap, Large Journal 2-Bolt 2 and 4-Bolt Stock Step
PGESB400F 400 Front Cap 2-Bolt 2 and 4-Bolt Stock Step
PGESB350CFS4 350 Center Caps, OEM Rep. 4-Bolt 4-Bolt Stock Step
PGESP350CSR SBC Center Main Caps Sportsman Series 4-Bolt 4-Bolt Stock
PGESP350C15S 350 Splayed Center Caps 4-Bolt 2-Bolt Stock Step
PGESB350CFA 350 Splayed Center Caps 4-Bolt 2 and 4-Bolt Flat
PGESB350CSA2 350 Splayed Center Caps 4-Bolt 2-Bolt Stock Step
PGESB350CSA4 350 Splayed Center Caps 4-Bolt 4-Bolt Stock Step
PGESB400CFA 400 Splayed Center Caps 4-Bolt 2-Bolt Flat
PGESP400CSR 400 Center Caps Sportsman 4-Bolt 4-Bolt Stock Step
PGESB400CSA 400 Splayed Center Caps 4-Bolt 2-Bolt Stock Step
PGESB350RDS 350 Rear Main Cap, Dry Sump 2-Bolt 2 and 4-Bolt Stock Step
PGESB350RWS 350 Rear Main Cap, Wet Sump 2-Bolt 2 and 4-Bolt Stock Step
PGESB350RWSL 350 Rear Main Cap, Wet Sump, 1-Pc. 2-Bolt 2 and 4-Bolt Stock
PGESB400RWS 400 Rear Main Cap, Wet Sump 2-Bolt 2 and 4-Bolt Stock Step
PGESBLS1 350 LS1 (5 Cap Set) Stock Stock Stock Step
Chevrolet Big Block 396-454
PGEBB454C Direct Rep. Main Caps (4) 4-Bolt 4-Bolt Stock
PGEBB454CFA Splayed Center Caps (3) 4-Bolt 2 and 4-Bolt Flat
PGEBB454F Front Cap 4-Bolt 2 and 4-Bolt Flat
PGEBB454RWS Rear Main Cap, Wet Sump 4-Bolt 2 and 4-Bolt Stock
Chrysler Small Block 318-360
PGEM340F Front Main Cap 2-Bolt 2-Bolt Stock Step
PGEM340C2 318-340 Center Main Caps 2-Bolt 2-Bolt Stock Step
318-340, Splayed Center Main Caps, Fits
PGEM340C4A 4-Bolt 2 and 4-Bolt Stock Step
Production & Race Blocks
360 Splayed Center Main Caps, Fits Production
PGEM360C4A 4-Bolt 2 and 4-Bolt Stock Step
Blocks
Chrysler Big Block 383-440
PGEM3840C2 Center Main Caps 2-Bolt 2-Bolt Stock Step
PGEM3840F Front Main Caps 2-Bolt 2-Bolt Stock Step
PGEM3840R Rear Main Caps 2-Bolt 2-Bolt Stock Step
PGEM3840C4 Cross Bolt Center Main Caps 2-Bolt 2-Bolt Stock Step
Dodge Viper V10
PGEDGE-VIPER Main Cap Set, Cross Bolt 4-Bolt 4-Bolt Stock Step
GM Duramax
PGEGM66DMX Main Cap Set 2-Bolt 2-Bolt Stock Step
Ford Small Block 289-302
PGEF351CWFA 351W Flat Bottom Splayed Center Caps 4-Bolt All Blocks —
PGEF302CFAL 5.0L Splayed Center Caps, Flat Bottom 2-Bolt 2-Bolt —
PGEF289F 289 Front Cap 2-Bolt 2-Bolt —
Ford 351C/M
PGEF351CC Flat Bottom Center Caps 4-Bolt 2-Bolt —
PGEF351CF Front Main Cap 4-Bolt 4-Bolt Stock Step
PGEF351CR4B Rear Main Cap 4-Bolt 4-Bolt Stock Step
2018 ENGINE BUILDER CATALOG 9