Products

BTR: LT4 .660" Double Spring Kit [Corvette Z06 ZR1, Camaro ZL1, CTS V, LT4 LT5]
BTR: LT4 .660 New Sale
$309.00 $329.00
.660" Lift Dual Spring Kit for Gen V LT4 LT5 engines using stock rocker arms.  Includes dual polished springs, matching...
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BTR: LT4 CONICAL SPRING KIT - .650" - SK014
BTR: LT4 CONICAL SPRING KIT - .650 New
$259.99
We were first to market with a conical valve spring kit for Gen V LT4s. Big whoop, right? WRONG. Weight...
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BTR: MAX PRESSURE GEN 2 LT/SBC DUAL SPRING KIT - .650" LIFT - FOR ROLLER ROCKERS - SK004
BTR: MAX PRESSURE GEN 2 LT/SBC DUAL SPRING KIT - .650 New
$349.99
BTR’s Max Pressure Spring Kit applies what we learned when designing the Platinum Spring Kit (SK001) and applies it to...
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BTR: MOPAR PERFORMANCE DROP-IN VALVE SPRINGS - 5.7 HEMI - SP021-16
BTR: MOPAR PERFORMANCE DROP-IN VALVE SPRINGS - 5.7 HEMI - SP021-16 New
$149.99
Great to use in truck applications or when upgrading the cam in your 5.7 Charger or Challenger. Max valve lift...
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BTR: PISTON SET - 3.780" BORE - 3.622" STROKE - 6.098" ROD - 2CC DOME - BTRP325098DM2-8
BTR: PISTON SET - 3.780
New
$549.99
BTR PISTON SET - 3.780" BORE - 3.622" STROKE - 6.098" ROD - 2CC DOME - BTRP325098DM2-8 RINGS NOT INCLUDED...
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BTR: PISTON SET - 3.780" BORE - 3.622" STROKE - 6.098" ROD - 2CC FLAT TOP - BTRP325098FT2-8
BTR: PISTON SET - 3.780
New
$549.99
BTR PISTON SET - 3.780" BORE - 3.622" STROKE - 6.098" ROD - 2CC FLAT TOP - BTRP325098FT2-8 RINGS NOT...
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BTR: PISTON SET - 3.780" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP325125DM2-8
BTR: PISTON SET - 3.780
New
$649.99
BTR PISTON SET - 3.780" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP325125DM2-8  RINGS NOT INCLUDED...
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BTR: PISTON SET - 3.780" BORE - 3.622" STROKE - 6.125" ROD - 2CC FLAT TOP - BTRP325125FT2-8
BTR: PISTON SET - 3.780
New
$649.99
BTR PISTON SET - 3.780" BORE - 3.622" STROKE - 6.125" ROD - 2CC FLAT TOP - BTRP325125FT2-8 RINGS NOT...
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BTR: PISTON SET - 3.780" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP359098DS8-8
BTR: PISTON SET - 3.780
New
$599.99
BTR PISTON SET - 3.780" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP359098DS8-8  RINGS NOT INCLUDED...
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BTR: PISTON SET - 3.800" BORE - 3.622" STROKE - 6.098" ROD - 2CC FLAT TOP - BTRP329098FT2-8
BTR: PISTON SET - 3.800
New
$549.99
BTR PISTON SET - 3.800" BORE - 3.622" STROKE - 6.098" ROD - 2CC FLAT TOP - BTRP329098FT2-8  RINGS NOT...
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BTR: PISTON SET - 3.800" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP329125DM2-8
BTR: PISTON SET - 3.800
New
$549.99
BTR PISTON SET - 3.800" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP329125DM2-8  RINGS NOT INCLUDED...
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BTR: PISTON SET - 3.800" BORE - 3.622" STROKE - 6.125" ROD - 2CC FLAT TOP - BTRP329125FT2-8
BTR: PISTON SET - 3.800
New
$549.99
BTR PISTON SET - 3.800" BORE - 3.622" STROKE - 6.125" ROD - 2CC FLAT TOP - BTRP329125FT2-8 RINGS NOT...
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BTR: PISTON SET - 3.800" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP363098DS8-8
BTR: PISTON SET - 3.800
New
$599.99
BTR PISTON SET - 3.800" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP363098DS8-8  RINGS NOT INCLUDED...
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BTR: PISTON SET - 3.898" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP346125DM2-8
BTR: PISTON SET - 3.898
New
$549.99
BTR PISTON SET - 3.898" BORE - 3.622" STROKE - 6.125" ROD - 2CC DOME - BTRP346125DM2-8   RINGS NOT INCLUDED...
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BTR: PISTON SET - 4.000" BORE - 3.622" STROKE - 6.098" ROD - 3CC FLAT TOP - BTRP364098FT3-8
BTR: PISTON SET - 4.000
New
$649.00
BTR PISTON SET - 4.000" BORE - 3.622" STROKE - 6.098" ROD - 3CC FLAT TOP - BTRP364098FT3-8  RINGS NOT...
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BTR: PISTON SET - 4.000" BORE - 3.622" STROKE - 6.125" ROD - 12CC DOME - BTRP364125DM12-8
BTR: PISTON SET - 4.000
New
$649.00
BTR PISTON SET - 4.000" BORE - 3.622" STROKE - 6.125" ROD - 12CC DOME - BTRP364125DM12-8  RINGS NOT INCLUDED...
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BTR: PISTON SET - 4.000" BORE - 3.622" STROKE - 6.125" ROD - 3CC FLAT TOP - BTRP364125FT3-8
BTR: PISTON SET - 4.000
New
$649.00
BTR PISTON SET - 4.000" BORE - 3.622" STROKE - 6.125" ROD - 3CC FLAT TOP - BTRP364125FT3-8  RINGS NOT...
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BTR: PISTON SET - 4.000" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP402098DS8-8
BTR: PISTON SET - 4.000
New
$599.99
BTR PISTON SET - 4.000" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP402098DS8-8 RINGS NOT INCLUDED...
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BTR: PISTON SET - 4.030" BORE - 3.622" STROKE - 6.098" ROD - 3CC FLAT TOP - BTRP370098FT3-8
BTR: PISTON SET - 4.030
New
$649.99
BTR PISTON SET - 4.030" BORE - 3.622" STROKE - 6.098" ROD - 3CC FLAT TOP - BTRP370098FT3-8  RINGS NOT...
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BTR: PISTON SET - 4.030" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP408098DS8-8
BTR: PISTON SET - 4.030
New
$599.99
BTR PISTON SET - 4.030" BORE - 4.000" STROKE - 6.098" ROD - 8CC DISH - BTRP408098DS8-8   BTR and...
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BTR: PISTON SET - 4.065" BORE - 4.000" STROKE - 6.125" ROD - 5CC FLAT TOP - BTRP416125FT5-8
BTR: PISTON SET - 4.065
New
$549.99
BTR PISTON SET - 4.065" BORE - 4.000" STROKE - 6.125" ROD - 5CC FLAT TOP - BTRP416125FT5-8   RINGS NOT...
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