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Main Cap
PRO-Line/Pro-Gram - Main Caps
These are the finest quality main caps on the market. These caps will improve bearing life and provide increased power and reliability through the elimination of cap walk.

(All caps marked with an * are made by Pro-Line.)
Part # Description Qty. Price
CAP-1-1 350 Stock Replacement 3 $129*
CAP-1-2 350 Splayed 22 Deg.
(convert 2 bolt to 4 bolt)
3 $129*
CAP-1-3 350 Web Relief
(convert 2 bolt to 4 bolt)
3 $129*
CAP-1-4 400 Splayed 18 Deg. 3 $139*
CAP-1-5 454 Stock Replacement 3 $139*
CAP 2-5 Ford 302 Billet Stock Replacement 3 $139*
CAP 2-6 Ford 351W Billet 2 Bolt to 4 Bolt 3 $139*
CAP-1-6 Chevy 454 4 $569
CAP-1-7 Buick 4.1-V6 2 Bolt 2 $219
CAP-1-8 Ford 289-302 2 Bolt 3 $299
CAP-1-9 Ford 302-SVO 4 Bolt Angle 3 $325
CAP-1-10 Ford 351-Clev. 4 Bolt 3 $325
CAP-1-11 Ford 351-SVO 3 $325
CAP-1-12 Ford 351 Windsor 4 Bolt 3 $325
CAP-1-13 Cross-Bolt for any FE Block 3 $345
CAP-1-14 Ford 460 3 $365
CAP-1-15 Ford 429 SCJ 3 $405
CAP-1-16 Ford 460 SVO 3 $549
CAP-1-17 Ford 460 AR-Alum. 3 $549
CAP-1-18 Chrysler 340 Bolt Angle 3 $365
CAP-1-19 Chrysler 360 2 Bolt 3 $339
CAP-1-20 Chrysler 360 4 Bolt 3 $365
CAP-1-21 Chrysler 392 Hemi 3 $379
CAP-1-22 Chrysler 383-400 2 Bolt 3 $365
CAP-1-23 Chrysler 383-400 4 bolt 3 $459
CAP-1-24 Chrysler 426 Hemi 3 $459
CAP-1-25 Chrysler 440 2 Bolt 3 $365
CAP-1-26 Chrysler 440 4 Bolt 3 $459
CAP-1-27 Pontiac 389-400 3 $339
CAP-1-28 Pontiac 389-400
Center Cap
(4 Bolt splayed)
3 $379
CAP-1-29 Pontiac 421-455
Center Cap
(4 bolt splayed)
3 $375
CAP-1-30 Chevy 283 3 $299
Front Main Caps
Part # Description Qty. Price
CAP-1-40 Buick 4.1 V6  1 $109
CAP-1-41 Ford 302  1 $125
CAP-1-42 Ford 351-SVO 1 $125
CAP-1-43 Ford 351-Windsor 1 $125
CAP-1-44 Ford 351-Cleveland  1 $145
CAP-1-45 Ford 460  1 $145
CAP-1-46 Ford 460-SVO 1 $135
CAP-1-47 426 Hemi Front Cap 1 $125
CAP-1-48 Chrysler 340 $125
CAP-1-49 Chrysler 360  1 $125
CAP-1-50 Chrysler 383-400 1 $125
CAP-1-51 Chrysler 440 1 $125
CAP-1-52 Pontiac 400 Front Cap 1 $125
CAP-1-53 Pontiac 455 Front Cap  1 $125
CAP-1-54 Chevy 283 1 $109
CAP-1-55 Chevy 327 1 $109
CAP-1-56 Chevy 350 1 $109
CAP-1-57 Chevy 350 4 Bolt  1 $129
CAP-1-58 Chevy 400 $109
CAP-1-59 Chevy 90 V8  1 $109
Rear Main Caps
Part # Description Qty. Price
CAP-1-65 Chevy 454 Dry 1 $475
CAP-1-66 545 Mk. V Dry 1 $549
CAP-1-67 Chevy 454 Wet 1 $549
CAP-1-68 Chevy 454 Mk. V Wet $475
CAP-1-69 Buick 4.1 - V6  1 $379
CAP-1-70 Ford 351 Windsor
(specify 1 or 2 piece crank)
1 $339
CAP-1-71 Ford 351Cleveland  1 $339
CAP-1-73 Ford 351-SVO 1 $415
CAP-1-74 Ford 460 1 $339
CAP-1-75 Ford 460-SVO 1 $339
CAP-1-76 Chrysler 340 Wet 1 $425
CAP-1-77 Chrysler 383-400 1 $119
CAP-1-78 426 Hemi Rear Cap  1 $119
CAP-1-79 Chrysler 440 1 $119
CAP-1-80 Pontiac 400 Rear Cap (2 bolt) 1 $425
CAP-1-81 Pontiac 455 Rear Cap 1 $425
CAP-1-82 Chevy 283 Wet 1 $445
CAP-1-83 Chevy 350 Dry 1 $325
CAP-1-84 Chevy 350 Late Dry 1 $299
CAP-1-85 Chevy 350 Wet 1 $445
CAP-1-86 Chevy 350 Late Wet 1 $385
CAP-1-87 Chevy 400 Dry 1 $315
CAP-1-88 Chevy 400 Wet 1 $445
CAP-1-89 Chevy 90 V6 Dry 1 $315
CAP-1-90 Chevy 90 V6 Late Dry 1 $299
CAP-1-91 Chevy 90 V6 Wet  1 $445
CAP-1-92 Chevy 90 V6 Late Wet  1 $395
Support Straps
Part # Description Qty. Price
CAP-1-100 Chevy 283 Dry 1 $82
CAP-1-101 Chevy 283 Wet 1 $129
CAP-1-102 Chevy 327 Dry 1 $82
CAP-1-103 Chevy 327 Wet  1 $129
CAP-1-104 Chevy 350 Front 1 $72
CAP-1-105 Chevy 350 Dry 1 $109
CAP-1-106 Chevy 350 Late Dry 1 $109
CAP-1-107 Chevy 350 Wet  1 $129
CAP-1-108 Chevy 350 Late Wet 1 $129
CAP-1-109 Chevy 400 Front 1 $59
CAP-1-110 Chevy 400 Front  1 $95
CAP-1-111 Chevy 400 Wet  1 $129
CAP-1-112 Chevy 90 V6 Front 1 $72
CAP-1-113 Chevy 90 V6 Dry  1 $95
CAP-1-114 Chevy 90 V6 Late Dry 1 $95
CAP-1-115 Chevy 90 V6 Wet 1 $129
CAP-1-116 Chevy 90 V6 Late Wet  1 $129
* = these caps made by PRO-Line